73888990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14867}}^1$

素因数の和:14952

約数の個数: 32

約数和(自身を含む): 154151424

約数和(自身を除く): 80262434

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 14867, 29734, 74335, 104069, 148670, 208138, 520345, 1040690, 1055557, 2111114, 5277785, 7388899, 10555570, 14777798, 36944495, 73888990]

約数ペア:

[(1, 73888990), (2, 36944495), (5, 14777798), (7, 10555570), (10, 7388899), (14, 5277785), (35, 2111114), (70, 1055557), (71, 1040690), (142, 520345), (355, 208138), (497, 148670), (710, 104069), (994, 74335), (2485, 29734), (4970, 14867)]