90059980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 193052160

約数和(自身を除く): 102992180

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 227, 239, 332, 415, 454, 478, 830, 908, 956, 1135, 1195, 1660, 2270, 2390, 4540, 4780, 18841, 19837, 37682, 39674, 54253, 75364, 79348, 94205, 99185, 108506, 188410, 198370, 217012, 271265, 376820, 396740, 542530, 1085060, 4502999, 9005998, 18011996, 22514995, 45029990, 90059980]

約数ペア:

[(1, 90059980), (2, 45029990), (4, 22514995), (5, 18011996), (10, 9005998), (20, 4502999), (83, 1085060), (166, 542530), (227, 396740), (239, 376820), (332, 271265), (415, 217012), (454, 198370), (478, 188410), (830, 108506), (908, 99185), (956, 94205), (1135, 79348), (1195, 75364), (1660, 54253), (2270, 39674), (2390, 37682), (4540, 19837), (4780, 18841)]