89760275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 131241600

約数和(自身を除く): 41481325

約数列:

[1, 5, 11, 19, 25, 41, 55, 95, 205, 209, 275, 419, 451, 475, 779, 1025, 1045, 2095, 2255, 3895, 4609, 5225, 7961, 8569, 10475, 11275, 17179, 19475, 23045, 39805, 42845, 85895, 87571, 115225, 188969, 199025, 214225, 326401, 429475, 437855, 944845, 1632005, 2189275, 3590411, 4724225, 8160025, 17952055, 89760275]

約数ペア:

[(1, 89760275), (5, 17952055), (11, 8160025), (19, 4724225), (25, 3590411), (41, 2189275), (55, 1632005), (95, 944845), (205, 437855), (209, 429475), (275, 326401), (419, 214225), (451, 199025), (475, 188969), (779, 115225), (1025, 87571), (1045, 85895), (2095, 42845), (2255, 39805), (3895, 23045), (4609, 19475), (5225, 17179), (7961, 11275), (8569, 10475)]