217487910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{102107}}^1$

素因数の和:102188

約数の個数: 32

約数和(自身を含む): 529327872

約数和(自身を除く): 311839962

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 102107, 204214, 306321, 510535, 612642, 1021070, 1531605, 3063210, 7249597, 14499194, 21748791, 36247985, 43497582, 72495970, 108743955, 217487910]

約数ペア:

[(1, 217487910), (2, 108743955), (3, 72495970), (5, 43497582), (6, 36247985), (10, 21748791), (15, 14499194), (30, 7249597), (71, 3063210), (142, 1531605), (213, 1021070), (355, 612642), (426, 510535), (710, 306321), (1065, 204214), (2130, 102107)]