28828030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1345

約数の個数: 64

約数和(自身を含む): 66977280

約数和(自身を除く): 38149250

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 110, 145, 154, 203, 290, 319, 385, 406, 638, 770, 1015, 1291, 1595, 2030, 2233, 2582, 3190, 4466, 6455, 9037, 11165, 12910, 14201, 18074, 22330, 28402, 37439, 45185, 71005, 74878, 90370, 99407, 142010, 187195, 198814, 262073, 374390, 411829, 497035, 524146, 823658, 994070, 1310365, 2059145, 2620730, 2882803, 4118290, 5765606, 14414015, 28828030]

約数ペア:

[(1, 28828030), (2, 14414015), (5, 5765606), (7, 4118290), (10, 2882803), (11, 2620730), (14, 2059145), (22, 1310365), (29, 994070), (35, 823658), (55, 524146), (58, 497035), (70, 411829), (77, 374390), (110, 262073), (145, 198814), (154, 187195), (203, 142010), (290, 99407), (319, 90370), (385, 74878), (406, 71005), (638, 45185), (770, 37439), (1015, 28402), (1291, 22330), (1595, 18074), (2030, 14201), (2233, 12910), (2582, 11165), (3190, 9037), (4466, 6455)]