253407275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4409}}^1$

素因数の和:4460

約数の個数: 36

約数和(自身を含む): 363648600

約数和(自身を除く): 110241325

約数列:

[1, 5, 11, 19, 25, 55, 95, 121, 209, 275, 475, 605, 1045, 2299, 3025, 4409, 5225, 11495, 22045, 48499, 57475, 83771, 110225, 242495, 418855, 533489, 921481, 1212475, 2094275, 2667445, 4607405, 10136291, 13337225, 23037025, 50681455, 253407275]

約数ペア:

[(1, 253407275), (5, 50681455), (11, 23037025), (19, 13337225), (25, 10136291), (55, 4607405), (95, 2667445), (121, 2094275), (209, 1212475), (275, 921481), (475, 533489), (605, 418855), (1045, 242495), (2299, 110225), (3025, 83771), (4409, 57475), (5225, 48499), (11495, 22045)]