389617360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{442747}}^1$

素因数の和:442771

約数の個数: 40

約数和(自身を含む): 988213536

約数和(自身を除く): 598596176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 442747, 885494, 1770988, 2213735, 3541976, 4427470, 4870217, 7083952, 8854940, 9740434, 17709880, 19480868, 24351085, 35419760, 38961736, 48702170, 77923472, 97404340, 194808680, 389617360]

約数ペア:

[(1, 389617360), (2, 194808680), (4, 97404340), (5, 77923472), (8, 48702170), (10, 38961736), (11, 35419760), (16, 24351085), (20, 19480868), (22, 17709880), (40, 9740434), (44, 8854940), (55, 7083952), (80, 4870217), (88, 4427470), (110, 3541976), (176, 2213735), (220, 1770988), (440, 885494), (880, 442747)]