280967510

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1\times {\mathrm{691}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 514333152

約数和(自身を除く): 233365642

約数列:

[1, 2, 5, 10, 73, 146, 365, 557, 691, 730, 1114, 1382, 2785, 3455, 5570, 6910, 40661, 50443, 81322, 100886, 203305, 252215, 384887, 406610, 504430, 769774, 1924435, 3848870, 28096751, 56193502, 140483755, 280967510]

約数ペア:

[(1, 280967510), (2, 140483755), (5, 56193502), (10, 28096751), (73, 3848870), (146, 1924435), (365, 769774), (557, 504430), (691, 406610), (730, 384887), (1114, 252215), (1382, 203305), (2785, 100886), (3455, 81322), (5570, 50443), (6910, 40661)]