442783540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{1657}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 962648064

約数和(自身を除く): 519864524

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 431, 620, 862, 1657, 1724, 2155, 3314, 4310, 6628, 8285, 8620, 13361, 16570, 26722, 33140, 51367, 53444, 66805, 102734, 133610, 205468, 256835, 267220, 513670, 714167, 1027340, 1428334, 2856668, 3570835, 7141670, 14283340, 22139177, 44278354, 88556708, 110695885, 221391770, 442783540]

約数ペア:

[(1, 442783540), (2, 221391770), (4, 110695885), (5, 88556708), (10, 44278354), (20, 22139177), (31, 14283340), (62, 7141670), (124, 3570835), (155, 2856668), (310, 1428334), (431, 1027340), (620, 714167), (862, 513670), (1657, 267220), (1724, 256835), (2155, 205468), (3314, 133610), (4310, 102734), (6628, 66805), (8285, 53444), (8620, 51367), (13361, 33140), (16570, 26722)]