215201710

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{3001}}^1$

素因数の和:3180

約数の個数: 32

約数和(自身を含む): 396840384

約数和(自身を除く): 181638674

約数列:

[1, 2, 5, 10, 71, 101, 142, 202, 355, 505, 710, 1010, 3001, 6002, 7171, 14342, 15005, 30010, 35855, 71710, 213071, 303101, 426142, 606202, 1065355, 1515505, 2130710, 3031010, 21520171, 43040342, 107600855, 215201710]

約数ペア:

[(1, 215201710), (2, 107600855), (5, 43040342), (10, 21520171), (71, 3031010), (101, 2130710), (142, 1515505), (202, 1065355), (355, 606202), (505, 426142), (710, 303101), (1010, 213071), (3001, 71710), (6002, 35855), (7171, 30010), (14342, 15005)]