227485775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 318836736

約数和(自身を除く): 91350961

約数列:

[1, 5, 11, 25, 55, 61, 71, 191, 275, 305, 355, 671, 781, 955, 1525, 1775, 2101, 3355, 3905, 4331, 4775, 10505, 11651, 13561, 16775, 19525, 21655, 47641, 52525, 58255, 67805, 108275, 128161, 149171, 238205, 291275, 339025, 640805, 745855, 827221, 1191025, 3204025, 3729275, 4136105, 9099431, 20680525, 45497155, 227485775]

約数ペア:

[(1, 227485775), (5, 45497155), (11, 20680525), (25, 9099431), (55, 4136105), (61, 3729275), (71, 3204025), (191, 1191025), (275, 827221), (305, 745855), (355, 640805), (671, 339025), (781, 291275), (955, 238205), (1525, 149171), (1775, 128161), (2101, 108275), (3355, 67805), (3905, 58255), (4331, 52525), (4775, 47641), (10505, 21655), (11651, 19525), (13561, 16775)]