172873640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2099}}^1$

素因数の和:2210

約数の個数: 64

約数和(自身を含む): 408240000

約数和(自身を除く): 235366360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 355, 568, 580, 710, 1160, 1420, 2059, 2099, 2840, 4118, 4198, 8236, 8396, 10295, 10495, 16472, 16792, 20590, 20990, 41180, 41980, 60871, 82360, 83960, 121742, 149029, 243484, 298058, 304355, 486968, 596116, 608710, 745145, 1192232, 1217420, 1490290, 2434840, 2980580, 4321841, 5961160, 8643682, 17287364, 21609205, 34574728, 43218410, 86436820, 172873640]

約数ペア:

[(1, 172873640), (2, 86436820), (4, 43218410), (5, 34574728), (8, 21609205), (10, 17287364), (20, 8643682), (29, 5961160), (40, 4321841), (58, 2980580), (71, 2434840), (116, 1490290), (142, 1217420), (145, 1192232), (232, 745145), (284, 608710), (290, 596116), (355, 486968), (568, 304355), (580, 298058), (710, 243484), (1160, 149029), (1420, 121742), (2059, 83960), (2099, 82360), (2840, 60871), (4118, 41980), (4198, 41180), (8236, 20990), (8396, 20590), (10295, 16792), (10495, 16472)]