28311580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11699}}^1$

素因数の和:11730

約数の個数: 36

約数和(自身を含む): 65356200

約数和(自身を除く): 37044620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11699, 23398, 46796, 58495, 116990, 128689, 233980, 257378, 514756, 643445, 1286890, 1415579, 2573780, 2831158, 5662316, 7077895, 14155790, 28311580]

約数ペア:

[(1, 28311580), (2, 14155790), (4, 7077895), (5, 5662316), (10, 2831158), (11, 2573780), (20, 1415579), (22, 1286890), (44, 643445), (55, 514756), (110, 257378), (121, 233980), (220, 128689), (242, 116990), (484, 58495), (605, 46796), (1210, 23398), (2420, 11699)]