9807235940

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{971}}^1\times {\mathrm{2113}}^1$

素因数の和:3332

約数の個数: 48

約数和(自身を含む): 20712464640

約数和(自身を除く): 10905228700

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 971, 1195, 1942, 2113, 2390, 3884, 4226, 4780, 4855, 8452, 9710, 10565, 19420, 21130, 42260, 232069, 464138, 505007, 928276, 1010014, 1160345, 2020028, 2051723, 2320690, 2525035, 4103446, 4641380, 5050070, 8206892, 10100140, 10258615, 20517230, 41034460, 490361797, 980723594, 1961447188, 2451808985, 4903617970, 9807235940]

約数ペア:

[(1, 9807235940), (2, 4903617970), (4, 2451808985), (5, 1961447188), (10, 980723594), (20, 490361797), (239, 41034460), (478, 20517230), (956, 10258615), (971, 10100140), (1195, 8206892), (1942, 5050070), (2113, 4641380), (2390, 4103446), (3884, 2525035), (4226, 2320690), (4780, 2051723), (4855, 2020028), (8452, 1160345), (9710, 1010014), (10565, 928276), (19420, 505007), (21130, 464138), (42260, 232069)]