156657820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{2113}}^1$

素因数の和:2470

約数の個数: 48

約数和(自身を含む): 360124128

約数和(自身を除く): 203466308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 337, 674, 1348, 1685, 2113, 3370, 3707, 4226, 6740, 7414, 8452, 10565, 14828, 18535, 21130, 23243, 37070, 42260, 46486, 74140, 92972, 116215, 232430, 464860, 712081, 1424162, 2848324, 3560405, 7120810, 7832891, 14241620, 15665782, 31331564, 39164455, 78328910, 156657820]

約数ペア:

[(1, 156657820), (2, 78328910), (4, 39164455), (5, 31331564), (10, 15665782), (11, 14241620), (20, 7832891), (22, 7120810), (44, 3560405), (55, 2848324), (110, 1424162), (220, 712081), (337, 464860), (674, 232430), (1348, 116215), (1685, 92972), (2113, 74140), (3370, 46486), (3707, 42260), (4226, 37070), (6740, 23243), (7414, 21130), (8452, 18535), (10565, 14828)]