54292280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2820

約数の個数: 64

約数和(自身を含む): 141626880

約数和(自身を除く): 87334600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2731, 2840, 3976, 4970, 5462, 9940, 10924, 13655, 19117, 19880, 21848, 27310, 38234, 54620, 76468, 95585, 109240, 152936, 191170, 193901, 382340, 387802, 764680, 775604, 969505, 1357307, 1551208, 1939010, 2714614, 3878020, 5429228, 6786535, 7756040, 10858456, 13573070, 27146140, 54292280]

約数ペア:

[(1, 54292280), (2, 27146140), (4, 13573070), (5, 10858456), (7, 7756040), (8, 6786535), (10, 5429228), (14, 3878020), (20, 2714614), (28, 1939010), (35, 1551208), (40, 1357307), (56, 969505), (70, 775604), (71, 764680), (140, 387802), (142, 382340), (280, 193901), (284, 191170), (355, 152936), (497, 109240), (568, 95585), (710, 76468), (994, 54620), (1420, 38234), (1988, 27310), (2485, 21848), (2731, 19880), (2840, 19117), (3976, 13655), (4970, 10924), (5462, 9940)]