208730483960

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1187}}^1\times {\mathrm{6967}}^1$

素因数の和:8796

約数の個数: 64

約数和(自身を含む): 470851729920

約数和(自身を除く): 262121245960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1187, 1262, 2374, 2524, 3155, 4748, 5048, 5935, 6310, 6967, 9496, 11870, 12620, 13934, 23740, 25240, 27868, 34835, 47480, 55736, 69670, 139340, 278680, 748997, 1497994, 2995988, 3744985, 4396177, 5991976, 7489970, 8269829, 8792354, 14979940, 16539658, 17584708, 21980885, 29959880, 33079316, 35169416, 41349145, 43961770, 66158632, 82698290, 87923540, 165396580, 175847080, 330793160, 5218262099, 10436524198, 20873048396, 26091310495, 41746096792, 52182620990, 104365241980, 208730483960]

約数ペア:

[(1, 208730483960), (2, 104365241980), (4, 52182620990), (5, 41746096792), (8, 26091310495), (10, 20873048396), (20, 10436524198), (40, 5218262099), (631, 330793160), (1187, 175847080), (1262, 165396580), (2374, 87923540), (2524, 82698290), (3155, 66158632), (4748, 43961770), (5048, 41349145), (5935, 35169416), (6310, 33079316), (6967, 29959880), (9496, 21980885), (11870, 17584708), (12620, 16539658), (13934, 14979940), (23740, 8792354), (25240, 8269829), (27868, 7489970), (34835, 5991976), (47480, 4396177), (55736, 3744985), (69670, 2995988), (139340, 1497994), (278680, 748997)]