168187820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1847}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 367899840

約数和(自身を除く): 199712020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 290, 314, 580, 628, 785, 1570, 1847, 3140, 3694, 4553, 7388, 9106, 9235, 18212, 18470, 22765, 36940, 45530, 53563, 91060, 107126, 214252, 267815, 289979, 535630, 579958, 1071260, 1159916, 1449895, 2899790, 5799580, 8409391, 16818782, 33637564, 42046955, 84093910, 168187820]

約数ペア:

[(1, 168187820), (2, 84093910), (4, 42046955), (5, 33637564), (10, 16818782), (20, 8409391), (29, 5799580), (58, 2899790), (116, 1449895), (145, 1159916), (157, 1071260), (290, 579958), (314, 535630), (580, 289979), (628, 267815), (785, 214252), (1570, 107126), (1847, 91060), (3140, 53563), (3694, 45530), (4553, 36940), (7388, 22765), (9106, 18470), (9235, 18212)]