31104040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 76930560

約数和(自身を除く): 45826520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 223, 317, 440, 446, 634, 892, 1115, 1268, 1585, 1784, 2230, 2453, 2536, 3170, 3487, 4460, 4906, 6340, 6974, 8920, 9812, 12265, 12680, 13948, 17435, 19624, 24530, 27896, 34870, 49060, 69740, 70691, 98120, 139480, 141382, 282764, 353455, 565528, 706910, 777601, 1413820, 1555202, 2827640, 3110404, 3888005, 6220808, 7776010, 15552020, 31104040]

約数ペア:

[(1, 31104040), (2, 15552020), (4, 7776010), (5, 6220808), (8, 3888005), (10, 3110404), (11, 2827640), (20, 1555202), (22, 1413820), (40, 777601), (44, 706910), (55, 565528), (88, 353455), (110, 282764), (220, 141382), (223, 139480), (317, 98120), (440, 70691), (446, 69740), (634, 49060), (892, 34870), (1115, 27896), (1268, 24530), (1585, 19624), (1784, 17435), (2230, 13948), (2453, 12680), (2536, 12265), (3170, 9812), (3487, 8920), (4460, 6974), (4906, 6340)]