209951220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{112877}}^1$

素因数の和:112920

約数の個数: 48

約数和(自身を含む): 606832128

約数和(自身を除く): 396880908

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, 112877, 225754, 338631, 451508, 564385, 677262, 1128770, 1354524, 1693155, 2257540, 3386310, 3499187, 6772620, 6998374, 10497561, 13996748, 17495935, 20995122, 34991870, 41990244, 52487805, 69983740, 104975610, 209951220]

約数ペア:

[(1, 209951220), (2, 104975610), (3, 69983740), (4, 52487805), (5, 41990244), (6, 34991870), (10, 20995122), (12, 17495935), (15, 13996748), (20, 10497561), (30, 6998374), (31, 6772620), (60, 3499187), (62, 3386310), (93, 2257540), (124, 1693155), (155, 1354524), (186, 1128770), (310, 677262), (372, 564385), (465, 451508), (620, 338631), (930, 225754), (1860, 112877)]