71985830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{35461}}^1$

素因数の和:35504

約数の個数: 32

約数和(自身を含む): 153195840

約数和(自身を除く): 81210010

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 35461, 70922, 177305, 248227, 354610, 496454, 1028369, 1241135, 2056738, 2482270, 5141845, 7198583, 10283690, 14397166, 35992915, 71985830]

約数ペア:

[(1, 71985830), (2, 35992915), (5, 14397166), (7, 10283690), (10, 7198583), (14, 5141845), (29, 2482270), (35, 2056738), (58, 1241135), (70, 1028369), (145, 496454), (203, 354610), (290, 248227), (406, 177305), (1015, 70922), (2030, 35461)]