144685220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101891}}^1$

素因数の和:101971

約数の個数: 24

約数和(自身を含む): 308121408

約数和(自身を除く): 163436188

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 101891, 203782, 407564, 509455, 1018910, 2037820, 7234261, 14468522, 28937044, 36171305, 72342610, 144685220]

約数ペア:

[(1, 144685220), (2, 72342610), (4, 36171305), (5, 28937044), (10, 14468522), (20, 7234261), (71, 2037820), (142, 1018910), (284, 509455), (355, 407564), (710, 203782), (1420, 101891)]