290460676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2213}}^1$

素因数の和:2404

約数の個数: 48

約数和(自身を含む): 587684160

約数和(自身を除く): 297223484

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 157, 209, 314, 418, 628, 836, 1727, 2213, 2983, 3454, 4426, 5966, 6908, 8852, 11932, 24343, 32813, 42047, 48686, 65626, 84094, 97372, 131252, 168188, 347441, 462517, 694882, 925034, 1389764, 1850068, 3821851, 6601379, 7643702, 13202758, 15287404, 26405516, 72615169, 145230338, 290460676]

約数ペア:

[(1, 290460676), (2, 145230338), (4, 72615169), (11, 26405516), (19, 15287404), (22, 13202758), (38, 7643702), (44, 6601379), (76, 3821851), (157, 1850068), (209, 1389764), (314, 925034), (418, 694882), (628, 462517), (836, 347441), (1727, 168188), (2213, 131252), (2983, 97372), (3454, 84094), (4426, 65626), (5966, 48686), (6908, 42047), (8852, 32813), (11932, 24343)]