490930260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263941}}^1$

素因数の和:263984

約数の個数: 48

約数和(自身を含む): 1418952192

約数和(自身を除く): 928021932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 263941, 527882, 791823, 1055764, 1319705, 1583646, 2639410, 3167292, 3959115, 5278820, 7918230, 8182171, 15836460, 16364342, 24546513, 32728684, 40910855, 49093026, 81821710, 98186052, 122732565, 163643420, 245465130, 490930260]

約数ペア:

[(1, 490930260), (2, 245465130), (3, 163643420), (4, 122732565), (5, 98186052), (6, 81821710), (10, 49093026), (12, 40910855), (15, 32728684), (20, 24546513), (30, 16364342), (31, 15836460), (60, 8182171), (62, 7918230), (93, 5278820), (124, 3959115), (155, 3167292), (186, 2639410), (310, 1583646), (372, 1319705), (465, 1055764), (620, 791823), (930, 527882), (1860, 263941)]