2140490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 48

約数和(自身を含む): 4452840

約数和(自身を除く): 2312350

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 61, 110, 121, 122, 145, 242, 290, 305, 319, 605, 610, 638, 671, 1210, 1342, 1595, 1769, 3190, 3355, 3509, 3538, 6710, 7018, 7381, 8845, 14762, 17545, 17690, 19459, 35090, 36905, 38918, 73810, 97295, 194590, 214049, 428098, 1070245, 2140490]

約数ペア:

[(1, 2140490), (2, 1070245), (5, 428098), (10, 214049), (11, 194590), (22, 97295), (29, 73810), (55, 38918), (58, 36905), (61, 35090), (110, 19459), (121, 17690), (122, 17545), (145, 14762), (242, 8845), (290, 7381), (305, 7018), (319, 6710), (605, 3538), (610, 3509), (638, 3355), (671, 3190), (1210, 1769), (1342, 1595)]