181801238975

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1\times {\mathrm{1693}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 229998716640

約数和(自身を除く): 48197477665

約数列:

[1, 5, 25, 109, 157, 251, 545, 785, 1255, 1693, 2725, 3925, 6275, 8465, 17113, 27359, 39407, 42325, 85565, 136795, 184537, 197035, 265801, 424943, 427825, 683975, 922685, 985175, 1329005, 2124715, 4295363, 4613425, 6645025, 10623575, 21476815, 28972309, 46318787, 66716051, 107384075, 144861545, 231593935, 333580255, 724307725, 1157969675, 1667901275, 7272049559, 36360247795, 181801238975]

約数ペア:

[(1, 181801238975), (5, 36360247795), (25, 7272049559), (109, 1667901275), (157, 1157969675), (251, 724307725), (545, 333580255), (785, 231593935), (1255, 144861545), (1693, 107384075), (2725, 66716051), (3925, 46318787), (6275, 28972309), (8465, 21476815), (17113, 10623575), (27359, 6645025), (39407, 4613425), (42325, 4295363), (85565, 2124715), (136795, 1329005), (184537, 985175), (197035, 922685), (265801, 683975), (424943, 427825)]