240656

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:123

約数の個数: 30

約数和(自身を含む): 510570

約数和(自身を除く): 269914

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 169, 178, 208, 338, 356, 676, 712, 1157, 1352, 1424, 2314, 2704, 4628, 9256, 15041, 18512, 30082, 60164, 120328, 240656]

約数ペア:

[(1, 240656), (2, 120328), (4, 60164), (8, 30082), (13, 18512), (16, 15041), (26, 9256), (52, 4628), (89, 2704), (104, 2314), (169, 1424), (178, 1352), (208, 1157), (338, 712), (356, 676)]