211697710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{20297}}^1$

素因数の和:20460

約数の個数: 32

約数和(自身を含む): 438436800

約数和(自身を除く): 226739090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 10430, 20297, 40594, 101485, 142079, 202970, 284158, 710395, 1420790, 3024253, 6048506, 15121265, 21169771, 30242530, 42339542, 105848855, 211697710]

約数ペア:

[(1, 211697710), (2, 105848855), (5, 42339542), (7, 30242530), (10, 21169771), (14, 15121265), (35, 6048506), (70, 3024253), (149, 1420790), (298, 710395), (745, 284158), (1043, 202970), (1490, 142079), (2086, 101485), (5215, 40594), (10430, 20297)]