2191465475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 2913563520

約数和(自身を除く): 722098045

約数列:

[1, 5, 25, 29, 47, 73, 145, 235, 365, 725, 881, 1175, 1363, 1825, 2117, 3431, 4405, 6815, 10585, 17155, 22025, 25549, 34075, 41407, 52925, 64313, 85775, 99499, 127745, 207035, 321565, 497495, 638725, 1035175, 1200803, 1607825, 1865077, 2487475, 3022711, 6004015, 9325385, 15113555, 30020075, 46626925, 75567775, 87658619, 438293095, 2191465475]

約数ペア:

[(1, 2191465475), (5, 438293095), (25, 87658619), (29, 75567775), (47, 46626925), (73, 30020075), (145, 15113555), (235, 9325385), (365, 6004015), (725, 3022711), (881, 2487475), (1175, 1865077), (1363, 1607825), (1825, 1200803), (2117, 1035175), (3431, 638725), (4405, 497495), (6815, 321565), (10585, 207035), (17155, 127745), (22025, 99499), (25549, 85775), (34075, 64313), (41407, 52925)]