181628380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4013}}^1$

素因数の和:4126

約数の個数: 48

約数和(自身を含む): 399216384

約数和(自身を除く): 217588004

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 1460, 2263, 4013, 4526, 8026, 9052, 11315, 16052, 20065, 22630, 40130, 45260, 80260, 124403, 248806, 292949, 497612, 585898, 622015, 1171796, 1244030, 1464745, 2488060, 2929490, 5858980, 9081419, 18162838, 36325676, 45407095, 90814190, 181628380]

約数ペア:

[(1, 181628380), (2, 90814190), (4, 45407095), (5, 36325676), (10, 18162838), (20, 9081419), (31, 5858980), (62, 2929490), (73, 2488060), (124, 1464745), (146, 1244030), (155, 1171796), (292, 622015), (310, 585898), (365, 497612), (620, 292949), (730, 248806), (1460, 124403), (2263, 80260), (4013, 45260), (4526, 40130), (8026, 22630), (9052, 20065), (11315, 16052)]