90049490

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1223}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 167443200

約数和(自身を除く): 77393710

約数列:

[1, 2, 5, 10, 37, 74, 185, 199, 370, 398, 995, 1223, 1990, 2446, 6115, 7363, 12230, 14726, 36815, 45251, 73630, 90502, 226255, 243377, 452510, 486754, 1216885, 2433770, 9004949, 18009898, 45024745, 90049490]

約数ペア:

[(1, 90049490), (2, 45024745), (5, 18009898), (10, 9004949), (37, 2433770), (74, 1216885), (185, 486754), (199, 452510), (370, 243377), (398, 226255), (995, 90502), (1223, 73630), (1990, 45251), (2446, 36815), (6115, 14726), (7363, 12230)]