651499620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{10891}}^1$

素因数の和:11900

約数の個数: 48

約数和(自身を含む): 1826196288

約数和(自身を除く): 1174696668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 997, 1994, 2991, 3988, 4985, 5982, 9970, 10891, 11964, 14955, 19940, 21782, 29910, 32673, 43564, 54455, 59820, 65346, 108910, 130692, 163365, 217820, 326730, 653460, 10858327, 21716654, 32574981, 43433308, 54291635, 65149962, 108583270, 130299924, 162874905, 217166540, 325749810, 651499620]

約数ペア:

[(1, 651499620), (2, 325749810), (3, 217166540), (4, 162874905), (5, 130299924), (6, 108583270), (10, 65149962), (12, 54291635), (15, 43433308), (20, 32574981), (30, 21716654), (60, 10858327), (997, 653460), (1994, 326730), (2991, 217820), (3988, 163365), (4985, 130692), (5982, 108910), (9970, 65346), (10891, 59820), (11964, 54455), (14955, 43564), (19940, 32673), (21782, 29910)]