260590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 539136

約数和(自身を除く): 278546

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 103, 110, 115, 206, 230, 253, 506, 515, 1030, 1133, 1265, 2266, 2369, 2530, 4738, 5665, 11330, 11845, 23690, 26059, 52118, 130295, 260590]

約数ペア:

[(1, 260590), (2, 130295), (5, 52118), (10, 26059), (11, 23690), (22, 11845), (23, 11330), (46, 5665), (55, 4738), (103, 2530), (110, 2369), (115, 2266), (206, 1265), (230, 1133), (253, 1030), (506, 515)]