1998889750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:105

約数の個数: 288

約数和(自身を含む): 4920761664

約数和(自身を除く): 2921871914

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 23, 25, 26, 34, 46, 50, 55, 65, 85, 110, 115, 121, 125, 130, 143, 169, 170, 187, 221, 230, 242, 250, 253, 275, 286, 299, 325, 338, 374, 391, 425, 442, 506, 550, 575, 598, 605, 650, 715, 782, 845, 850, 935, 1105, 1150, 1210, 1265, 1375, 1430, 1495, 1573, 1625, 1690, 1859, 1870, 1955, 2057, 2125, 2210, 2431, 2530, 2750, 2783, 2873, 2875, 2990, 3025, 3146, 3250, 3289, 3575, 3718, 3887, 3910, 4114, 4225, 4250, 4301, 4675, 4862, 5083, 5525, 5566, 5746, 5750, 6050, 6325, 6578, 7150, 7475, 7774, 7865, 8450, 8602, 9295, 9350, 9775, 10166, 10285, 11050, 12155, 12650, 13915, 14365, 14950, 15125, 15730, 16445, 17875, 18590, 19435, 19550, 20449, 20570, 21125, 21505, 23375, 24310, 25415, 26741, 27625, 27830, 28730, 30250, 31603, 31625, 32890, 35750, 36179, 37375, 38870, 39325, 40898, 42250, 42757, 43010, 46475, 46750, 47311, 48875, 50830, 51425, 53482, 55250, 55913, 60775, 63206, 63250, 66079, 69575, 71825, 72358, 74750, 78650, 82225, 85514, 92950, 94622, 97175, 97750, 102245, 102850, 107525, 111826, 121550, 127075, 132158, 133705, 139150, 143650, 158015, 164450, 180895, 194350, 196625, 204490, 213785, 215050, 232375, 236555, 254150, 257125, 267410, 279565, 303875, 316030, 330395, 347633, 347875, 359125, 361790, 393250, 411125, 427570, 464750, 470327, 473110, 485875, 511225, 514250, 537625, 559130, 607750, 615043, 635375, 660790, 668525, 695266, 695750, 718250, 726869, 790075, 822250, 904475, 940654, 971750, 1022450, 1068925, 1075250, 1182775, 1230086, 1270750, 1337050, 1397825, 1453738, 1580150, 1651975, 1738165, 1808950, 2137850, 2351635, 2365550, 2556125, 2795650, 3075215, 3303950, 3342625, 3476330, 3634345, 3950375, 4522375, 4703270, 5112250, 5344625, 5913875, 6150430, 6685250, 6989125, 7268690, 7900750, 7995559, 8259875, 8690825, 9044750, 10689250, 11758175, 11827750, 13978250, 15376075, 15991118, 16519750, 17381650, 18171725, 23516350, 30752150, 36343450, 39977795, 43454125, 58790875, 76880375, 79955590, 86908250, 90858625, 117581750, 153760750, 181717250, 199888975, 399777950, 999444875, 1998889750]

約数ペア:

[(1, 1998889750), (2, 999444875), (5, 399777950), (10, 199888975), (11, 181717250), (13, 153760750), (17, 117581750), (22, 90858625), (23, 86908250), (25, 79955590), (26, 76880375), (34, 58790875), (46, 43454125), (50, 39977795), (55, 36343450), (65, 30752150), (85, 23516350), (110, 18171725), (115, 17381650), (121, 16519750), (125, 15991118), (130, 15376075), (143, 13978250), (169, 11827750), (170, 11758175), (187, 10689250), (221, 9044750), (230, 8690825), (242, 8259875), (250, 7995559), (253, 7900750), (275, 7268690), (286, 6989125), (299, 6685250), (325, 6150430), (338, 5913875), (374, 5344625), (391, 5112250), (425, 4703270), (442, 4522375), (506, 3950375), (550, 3634345), (575, 3476330), (598, 3342625), (605, 3303950), (650, 3075215), (715, 2795650), (782, 2556125), (845, 2365550), (850, 2351635), (935, 2137850), (1105, 1808950), (1150, 1738165), (1210, 1651975), (1265, 1580150), (1375, 1453738), (1430, 1397825), (1495, 1337050), (1573, 1270750), (1625, 1230086), (1690, 1182775), (1859, 1075250), (1870, 1068925), (1955, 1022450), (2057, 971750), (2125, 940654), (2210, 904475), (2431, 822250), (2530, 790075), (2750, 726869), (2783, 718250), (2873, 695750), (2875, 695266), (2990, 668525), (3025, 660790), (3146, 635375), (3250, 615043), (3289, 607750), (3575, 559130), (3718, 537625), (3887, 514250), (3910, 511225), (4114, 485875), (4225, 473110), (4250, 470327), (4301, 464750), (4675, 427570), (4862, 411125), (5083, 393250), (5525, 361790), (5566, 359125), (5746, 347875), (5750, 347633), (6050, 330395), (6325, 316030), (6578, 303875), (7150, 279565), (7475, 267410), (7774, 257125), (7865, 254150), (8450, 236555), (8602, 232375), (9295, 215050), (9350, 213785), (9775, 204490), (10166, 196625), (10285, 194350), (11050, 180895), (12155, 164450), (12650, 158015), (13915, 143650), (14365, 139150), (14950, 133705), (15125, 132158), (15730, 127075), (16445, 121550), (17875, 111826), (18590, 107525), (19435, 102850), (19550, 102245), (20449, 97750), (20570, 97175), (21125, 94622), (21505, 92950), (23375, 85514), (24310, 82225), (25415, 78650), (26741, 74750), (27625, 72358), (27830, 71825), (28730, 69575), (30250, 66079), (31603, 63250), (31625, 63206), (32890, 60775), (35750, 55913), (36179, 55250), (37375, 53482), (38870, 51425), (39325, 50830), (40898, 48875), (42250, 47311), (42757, 46750), (43010, 46475)]