1997739040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{5431}}^1$

素因数の和:5487

約数の個数: 144

約数和(自身を含む): 5461767360

約数和(自身を除く): 3464028320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 160, 176, 190, 209, 220, 242, 304, 352, 380, 418, 440, 484, 605, 608, 760, 836, 880, 968, 1045, 1210, 1520, 1672, 1760, 1936, 2090, 2299, 2420, 3040, 3344, 3872, 4180, 4598, 4840, 5431, 6688, 8360, 9196, 9680, 10862, 11495, 16720, 18392, 19360, 21724, 22990, 27155, 33440, 36784, 43448, 45980, 54310, 59741, 73568, 86896, 91960, 103189, 108620, 119482, 173792, 183920, 206378, 217240, 238964, 298705, 367840, 412756, 434480, 477928, 515945, 597410, 657151, 825512, 868960, 955856, 1031890, 1135079, 1194820, 1314302, 1651024, 1911712, 2063780, 2270158, 2389640, 2628604, 3285755, 3302048, 4127560, 4540316, 4779280, 5257208, 5675395, 6571510, 8255120, 9080632, 9558560, 10514416, 11350790, 12485869, 13143020, 16510240, 18161264, 21028832, 22701580, 24971738, 26286040, 36322528, 45403160, 49943476, 52572080, 62429345, 90806320, 99886952, 105144160, 124858690, 181612640, 199773904, 249717380, 399547808, 499434760, 998869520, 1997739040]

約数ペア:

[(1, 1997739040), (2, 998869520), (4, 499434760), (5, 399547808), (8, 249717380), (10, 199773904), (11, 181612640), (16, 124858690), (19, 105144160), (20, 99886952), (22, 90806320), (32, 62429345), (38, 52572080), (40, 49943476), (44, 45403160), (55, 36322528), (76, 26286040), (80, 24971738), (88, 22701580), (95, 21028832), (110, 18161264), (121, 16510240), (152, 13143020), (160, 12485869), (176, 11350790), (190, 10514416), (209, 9558560), (220, 9080632), (242, 8255120), (304, 6571510), (352, 5675395), (380, 5257208), (418, 4779280), (440, 4540316), (484, 4127560), (605, 3302048), (608, 3285755), (760, 2628604), (836, 2389640), (880, 2270158), (968, 2063780), (1045, 1911712), (1210, 1651024), (1520, 1314302), (1672, 1194820), (1760, 1135079), (1936, 1031890), (2090, 955856), (2299, 868960), (2420, 825512), (3040, 657151), (3344, 597410), (3872, 515945), (4180, 477928), (4598, 434480), (4840, 412756), (5431, 367840), (6688, 298705), (8360, 238964), (9196, 217240), (9680, 206378), (10862, 183920), (11495, 173792), (16720, 119482), (18392, 108620), (19360, 103189), (21724, 91960), (22990, 86896), (27155, 73568), (33440, 59741), (36784, 54310), (43448, 45980)]