31615780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{32261}}^1$

素因数の和:32284

約数の個数: 36

約数和(自身を含む): 77235228

約数和(自身を除く): 45619448

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 32261, 64522, 129044, 161305, 225827, 322610, 451654, 645220, 903308, 1129135, 1580789, 2258270, 3161578, 4516540, 6323156, 7903945, 15807890, 31615780]

約数ペア:

[(1, 31615780), (2, 15807890), (4, 7903945), (5, 6323156), (7, 4516540), (10, 3161578), (14, 2258270), (20, 1580789), (28, 1129135), (35, 903308), (49, 645220), (70, 451654), (98, 322610), (140, 225827), (196, 161305), (245, 129044), (490, 64522), (980, 32261)]