2879140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 6894720

約数和(自身を除く): 4015580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 569, 1012, 1138, 1265, 2276, 2530, 2845, 5060, 5690, 6259, 11380, 12518, 13087, 25036, 26174, 31295, 52348, 62590, 65435, 125180, 130870, 143957, 261740, 287914, 575828, 719785, 1439570, 2879140]

約数ペア:

[(1, 2879140), (2, 1439570), (4, 719785), (5, 575828), (10, 287914), (11, 261740), (20, 143957), (22, 130870), (23, 125180), (44, 65435), (46, 62590), (55, 52348), (92, 31295), (110, 26174), (115, 25036), (220, 13087), (230, 12518), (253, 11380), (460, 6259), (506, 5690), (569, 5060), (1012, 2845), (1138, 2530), (1265, 2276)]