2874740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 6713280

約数和(自身を除く): 3838540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 179, 220, 292, 358, 365, 716, 730, 803, 895, 1460, 1606, 1790, 1969, 3212, 3580, 3938, 4015, 7876, 8030, 9845, 13067, 16060, 19690, 26134, 39380, 52268, 65335, 130670, 143737, 261340, 287474, 574948, 718685, 1437370, 2874740]

約数ペア:

[(1, 2874740), (2, 1437370), (4, 718685), (5, 574948), (10, 287474), (11, 261340), (20, 143737), (22, 130670), (44, 65335), (55, 52268), (73, 39380), (110, 26134), (146, 19690), (179, 16060), (220, 13067), (292, 9845), (358, 8030), (365, 7876), (716, 4015), (730, 3938), (803, 3580), (895, 3212), (1460, 1969), (1606, 1790)]