989951820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:681

約数の個数: 288

約数和(自身を含む): 3479765184

約数和(自身を除く): 2489813364

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 17, 20, 22, 26, 30, 33, 34, 39, 44, 51, 52, 55, 60, 65, 66, 68, 78, 85, 102, 110, 121, 130, 132, 143, 156, 165, 170, 187, 195, 204, 220, 221, 242, 255, 260, 286, 330, 340, 363, 374, 390, 429, 442, 484, 510, 561, 572, 605, 617, 660, 663, 715, 726, 748, 780, 858, 884, 935, 1020, 1105, 1122, 1210, 1234, 1326, 1430, 1452, 1573, 1716, 1815, 1851, 1870, 2057, 2145, 2210, 2244, 2420, 2431, 2468, 2652, 2805, 2860, 3085, 3146, 3315, 3630, 3702, 3740, 4114, 4290, 4420, 4719, 4862, 5610, 6170, 6171, 6292, 6630, 6787, 7260, 7293, 7404, 7865, 8021, 8228, 8580, 9255, 9438, 9724, 10285, 10489, 11220, 12155, 12340, 12342, 13260, 13574, 14586, 15730, 16042, 18510, 18876, 20361, 20570, 20978, 23595, 24063, 24310, 24684, 26741, 27148, 29172, 30855, 31460, 31467, 32084, 33935, 36465, 37020, 40105, 40722, 41140, 41956, 47190, 48126, 48620, 52445, 53482, 61710, 62934, 67870, 72930, 74657, 80210, 80223, 81444, 88231, 94380, 96252, 101805, 104890, 106964, 115379, 120315, 123420, 125868, 133705, 135740, 136357, 145860, 149314, 157335, 160420, 160446, 176462, 203610, 209780, 223971, 230758, 240630, 264693, 267410, 272714, 298628, 314670, 320892, 346137, 352924, 373285, 401115, 407220, 409071, 441155, 447942, 461516, 481260, 529386, 534820, 545428, 576895, 629340, 681785, 692274, 746570, 802230, 818142, 882310, 895884, 970541, 1058772, 1119855, 1153790, 1269169, 1323465, 1363570, 1384548, 1493140, 1499927, 1604460, 1636284, 1730685, 1764620, 1941082, 2045355, 2239710, 2307580, 2538338, 2646930, 2727140, 2911623, 2999854, 3461370, 3807507, 3882164, 4090710, 4479420, 4499781, 4852705, 5076676, 5293860, 5823246, 5999708, 6345845, 6922740, 7499635, 7615014, 8181420, 8999562, 9705410, 11646492, 12691690, 14558115, 14999270, 15230028, 16499197, 17999124, 19037535, 19410820, 22498905, 25383380, 29116230, 29998540, 32998394, 38075070, 44997810, 49497591, 58232460, 65996788, 76150140, 82495985, 89995620, 98995182, 164991970, 197990364, 247487955, 329983940, 494975910, 989951820]

約数ペア:

[(1, 989951820), (2, 494975910), (3, 329983940), (4, 247487955), (5, 197990364), (6, 164991970), (10, 98995182), (11, 89995620), (12, 82495985), (13, 76150140), (15, 65996788), (17, 58232460), (20, 49497591), (22, 44997810), (26, 38075070), (30, 32998394), (33, 29998540), (34, 29116230), (39, 25383380), (44, 22498905), (51, 19410820), (52, 19037535), (55, 17999124), (60, 16499197), (65, 15230028), (66, 14999270), (68, 14558115), (78, 12691690), (85, 11646492), (102, 9705410), (110, 8999562), (121, 8181420), (130, 7615014), (132, 7499635), (143, 6922740), (156, 6345845), (165, 5999708), (170, 5823246), (187, 5293860), (195, 5076676), (204, 4852705), (220, 4499781), (221, 4479420), (242, 4090710), (255, 3882164), (260, 3807507), (286, 3461370), (330, 2999854), (340, 2911623), (363, 2727140), (374, 2646930), (390, 2538338), (429, 2307580), (442, 2239710), (484, 2045355), (510, 1941082), (561, 1764620), (572, 1730685), (605, 1636284), (617, 1604460), (660, 1499927), (663, 1493140), (715, 1384548), (726, 1363570), (748, 1323465), (780, 1269169), (858, 1153790), (884, 1119855), (935, 1058772), (1020, 970541), (1105, 895884), (1122, 882310), (1210, 818142), (1234, 802230), (1326, 746570), (1430, 692274), (1452, 681785), (1573, 629340), (1716, 576895), (1815, 545428), (1851, 534820), (1870, 529386), (2057, 481260), (2145, 461516), (2210, 447942), (2244, 441155), (2420, 409071), (2431, 407220), (2468, 401115), (2652, 373285), (2805, 352924), (2860, 346137), (3085, 320892), (3146, 314670), (3315, 298628), (3630, 272714), (3702, 267410), (3740, 264693), (4114, 240630), (4290, 230758), (4420, 223971), (4719, 209780), (4862, 203610), (5610, 176462), (6170, 160446), (6171, 160420), (6292, 157335), (6630, 149314), (6787, 145860), (7260, 136357), (7293, 135740), (7404, 133705), (7865, 125868), (8021, 123420), (8228, 120315), (8580, 115379), (9255, 106964), (9438, 104890), (9724, 101805), (10285, 96252), (10489, 94380), (11220, 88231), (12155, 81444), (12340, 80223), (12342, 80210), (13260, 74657), (13574, 72930), (14586, 67870), (15730, 62934), (16042, 61710), (18510, 53482), (18876, 52445), (20361, 48620), (20570, 48126), (20978, 47190), (23595, 41956), (24063, 41140), (24310, 40722), (24684, 40105), (26741, 37020), (27148, 36465), (29172, 33935), (30855, 32084), (31460, 31467)]