217991495940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117199729}}^1$

素因数の和:117199772

約数の個数: 48

約数和(自身を含む): 630065748480

約数和(自身を除く): 412074252540

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, 117199729, 234399458, 351599187, 468798916, 585998645, 703198374, 1171997290, 1406396748, 1757995935, 2343994580, 3515991870, 3633191599, 7031983740, 7266383198, 10899574797, 14532766396, 18165957995, 21799149594, 36331915990, 43598299188, 54497873985, 72663831980, 108995747970, 217991495940]

約数ペア:

[(1, 217991495940), (2, 108995747970), (3, 72663831980), (4, 54497873985), (5, 43598299188), (6, 36331915990), (10, 21799149594), (12, 18165957995), (15, 14532766396), (20, 10899574797), (30, 7266383198), (31, 7031983740), (60, 3633191599), (62, 3515991870), (93, 2343994580), (124, 1757995935), (155, 1406396748), (186, 1171997290), (310, 703198374), (372, 585998645), (465, 468798916), (620, 351599187), (930, 234399458), (1860, 117199729)]