90071930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 177085440

約数和(自身を除く): 87013510

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 223, 239, 338, 446, 478, 845, 1115, 1195, 1690, 2230, 2390, 2899, 3107, 5798, 6214, 14495, 15535, 28990, 31070, 37687, 40391, 53297, 75374, 80782, 106594, 188435, 201955, 266485, 376870, 403910, 532970, 692861, 1385722, 3464305, 6928610, 9007193, 18014386, 45035965, 90071930]

約数ペア:

[(1, 90071930), (2, 45035965), (5, 18014386), (10, 9007193), (13, 6928610), (26, 3464305), (65, 1385722), (130, 692861), (169, 532970), (223, 403910), (239, 376870), (338, 266485), (446, 201955), (478, 188435), (845, 106594), (1115, 80782), (1195, 75374), (1690, 53297), (2230, 40391), (2390, 37687), (2899, 31070), (3107, 28990), (5798, 15535), (6214, 14495)]