421915970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{861053}}^1$

素因数の和:861074

約数の個数: 24

約数和(自身を含む): 883441404

約数和(自身を除く): 461525434

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 861053, 1722106, 4305265, 6027371, 8610530, 12054742, 30136855, 42191597, 60273710, 84383194, 210957985, 421915970]

約数ペア:

[(1, 421915970), (2, 210957985), (5, 84383194), (7, 60273710), (10, 42191597), (14, 30136855), (35, 12054742), (49, 8610530), (70, 6027371), (98, 4305265), (245, 1722106), (490, 861053)]