277206875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:753

約数の個数: 40

約数和(自身を含む): 384664368

約数和(自身を除く): 107457493

約数列:

[1, 5, 11, 25, 55, 61, 125, 275, 305, 625, 661, 671, 1375, 1525, 3305, 3355, 6875, 7271, 7625, 16525, 16775, 36355, 38125, 40321, 82625, 83875, 181775, 201605, 413125, 419375, 443531, 908875, 1008025, 2217655, 4544375, 5040125, 11088275, 25200625, 55441375, 277206875]

約数ペア:

[(1, 277206875), (5, 55441375), (11, 25200625), (25, 11088275), (55, 5040125), (61, 4544375), (125, 2217655), (275, 1008025), (305, 908875), (625, 443531), (661, 419375), (671, 413125), (1375, 201605), (1525, 181775), (3305, 83875), (3355, 82625), (6875, 40321), (7271, 38125), (7625, 36355), (16525, 16775)]