90791870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1797

約数の個数: 48

約数和(自身を含む): 182777472

約数和(自身を除く): 91985602

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 1733, 2015, 3466, 4030, 5239, 8665, 10478, 17330, 22529, 26195, 45058, 52390, 53723, 107446, 112645, 225290, 268615, 292877, 537230, 585754, 698399, 1396798, 1464385, 2928770, 3491995, 6983990, 9079187, 18158374, 45395935, 90791870]

約数ペア:

[(1, 90791870), (2, 45395935), (5, 18158374), (10, 9079187), (13, 6983990), (26, 3491995), (31, 2928770), (62, 1464385), (65, 1396798), (130, 698399), (155, 585754), (169, 537230), (310, 292877), (338, 268615), (403, 225290), (806, 112645), (845, 107446), (1690, 53723), (1733, 52390), (2015, 45058), (3466, 26195), (4030, 22529), (5239, 17330), (8665, 10478)]