90260225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 132580800

約数和(自身を除く): 42320575

約数列:

[1, 5, 11, 17, 25, 43, 55, 85, 187, 215, 275, 425, 449, 473, 731, 935, 1075, 2245, 2365, 3655, 4675, 4939, 7633, 8041, 11225, 11825, 18275, 19307, 24695, 38165, 40205, 83963, 96535, 123475, 190825, 201025, 212377, 328219, 419815, 482675, 1061885, 1641095, 2099075, 3610409, 5309425, 8205475, 18052045, 90260225]

約数ペア:

[(1, 90260225), (5, 18052045), (11, 8205475), (17, 5309425), (25, 3610409), (43, 2099075), (55, 1641095), (85, 1061885), (187, 482675), (215, 419815), (275, 328219), (425, 212377), (449, 201025), (473, 190825), (731, 123475), (935, 96535), (1075, 83963), (2245, 40205), (2365, 38165), (3655, 24695), (4675, 19307), (4939, 18275), (7633, 11825), (8041, 11225)]