479920220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{2081}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 1087103808

約数和(自身を除く): 607183588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 887, 1774, 2081, 3548, 4162, 4435, 8324, 8870, 10405, 11531, 17740, 20810, 23062, 27053, 41620, 46124, 54106, 57655, 108212, 115310, 135265, 230620, 270530, 541060, 1845847, 3691694, 7383388, 9229235, 18458470, 23996011, 36916940, 47992022, 95984044, 119980055, 239960110, 479920220]

約数ペア:

[(1, 479920220), (2, 239960110), (4, 119980055), (5, 95984044), (10, 47992022), (13, 36916940), (20, 23996011), (26, 18458470), (52, 9229235), (65, 7383388), (130, 3691694), (260, 1845847), (887, 541060), (1774, 270530), (2081, 230620), (3548, 135265), (4162, 115310), (4435, 108212), (8324, 57655), (8870, 54106), (10405, 46124), (11531, 41620), (17740, 27053), (20810, 23062)]