212977460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{4091}}^1$

素因数の和:4256

約数の個数: 48

約数和(自身を含む): 474344640

約数和(自身を除く): 261367180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 548, 685, 1370, 2603, 2740, 4091, 5206, 8182, 10412, 13015, 16364, 20455, 26030, 40910, 52060, 77729, 81820, 155458, 310916, 388645, 560467, 777290, 1120934, 1554580, 2241868, 2802335, 5604670, 10648873, 11209340, 21297746, 42595492, 53244365, 106488730, 212977460]

約数ペア:

[(1, 212977460), (2, 106488730), (4, 53244365), (5, 42595492), (10, 21297746), (19, 11209340), (20, 10648873), (38, 5604670), (76, 2802335), (95, 2241868), (137, 1554580), (190, 1120934), (274, 777290), (380, 560467), (548, 388645), (685, 310916), (1370, 155458), (2603, 81820), (2740, 77729), (4091, 52060), (5206, 40910), (8182, 26030), (10412, 20455), (13015, 16364)]