215425870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{115201}}^1$

素因数の和:115236

約数の個数: 32

約数和(自身を含む): 447905376

約数和(自身を除く): 232479506

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 115201, 230402, 576005, 1152010, 1267211, 1958417, 2534422, 3916834, 6336055, 9792085, 12672110, 19584170, 21542587, 43085174, 107712935, 215425870]

約数ペア:

[(1, 215425870), (2, 107712935), (5, 43085174), (10, 21542587), (11, 19584170), (17, 12672110), (22, 9792085), (34, 6336055), (55, 3916834), (85, 2534422), (110, 1958417), (170, 1267211), (187, 1152010), (374, 576005), (935, 230402), (1870, 115201)]