987286060

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1\times {\mathrm{479}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 2090914560

約数和(自身を除く): 1103628500

約数列:

[1, 2, 4, 5, 10, 20, 257, 401, 479, 514, 802, 958, 1028, 1285, 1604, 1916, 2005, 2395, 2570, 4010, 4790, 5140, 8020, 9580, 103057, 123103, 192079, 206114, 246206, 384158, 412228, 492412, 515285, 615515, 768316, 960395, 1030570, 1231030, 1920790, 2061140, 2462060, 3841580, 49364303, 98728606, 197457212, 246821515, 493643030, 987286060]

約数ペア:

[(1, 987286060), (2, 493643030), (4, 246821515), (5, 197457212), (10, 98728606), (20, 49364303), (257, 3841580), (401, 2462060), (479, 2061140), (514, 1920790), (802, 1231030), (958, 1030570), (1028, 960395), (1285, 768316), (1604, 615515), (1916, 515285), (2005, 492412), (2395, 412228), (2570, 384158), (4010, 246206), (4790, 206114), (5140, 192079), (8020, 123103), (9580, 103057)]