185729900

素因数分解:

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

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 421639680

約数和(自身を除く): 235909780

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 47, 50, 86, 94, 100, 172, 188, 215, 235, 430, 470, 860, 919, 940, 1075, 1175, 1838, 2021, 2150, 2350, 3676, 4042, 4300, 4595, 4700, 8084, 9190, 10105, 18380, 20210, 22975, 39517, 40420, 43193, 45950, 50525, 79034, 86386, 91900, 101050, 158068, 172772, 197585, 202100, 215965, 395170, 431930, 790340, 863860, 987925, 1079825, 1857299, 1975850, 2159650, 3714598, 3951700, 4319300, 7429196, 9286495, 18572990, 37145980, 46432475, 92864950, 185729900]

約数ペア:

[(1, 185729900), (2, 92864950), (4, 46432475), (5, 37145980), (10, 18572990), (20, 9286495), (25, 7429196), (43, 4319300), (47, 3951700), (50, 3714598), (86, 2159650), (94, 1975850), (100, 1857299), (172, 1079825), (188, 987925), (215, 863860), (235, 790340), (430, 431930), (470, 395170), (860, 215965), (919, 202100), (940, 197585), (1075, 172772), (1175, 158068), (1838, 101050), (2021, 91900), (2150, 86386), (2350, 79034), (3676, 50525), (4042, 45950), (4300, 43193), (4595, 40420), (4700, 39517), (8084, 22975), (9190, 20210), (10105, 18380)]