74291960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 174873600

約数和(自身を除く): 100581640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 919, 940, 1720, 1838, 1880, 2021, 3676, 4042, 4595, 7352, 8084, 9190, 10105, 16168, 18380, 20210, 36760, 39517, 40420, 43193, 79034, 80840, 86386, 158068, 172772, 197585, 215965, 316136, 345544, 395170, 431930, 790340, 863860, 1580680, 1727720, 1857299, 3714598, 7429196, 9286495, 14858392, 18572990, 37145980, 74291960]

約数ペア:

[(1, 74291960), (2, 37145980), (4, 18572990), (5, 14858392), (8, 9286495), (10, 7429196), (20, 3714598), (40, 1857299), (43, 1727720), (47, 1580680), (86, 863860), (94, 790340), (172, 431930), (188, 395170), (215, 345544), (235, 316136), (344, 215965), (376, 197585), (430, 172772), (470, 158068), (860, 86386), (919, 80840), (940, 79034), (1720, 43193), (1838, 40420), (1880, 39517), (2021, 36760), (3676, 20210), (4042, 18380), (4595, 16168), (7352, 10105), (8084, 9190)]