840481492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1163}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 1597659840

約数和(自身を除く): 757178348

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 257, 514, 703, 1028, 1163, 1406, 2326, 2812, 4652, 4883, 9509, 9766, 19018, 19532, 22097, 38036, 43031, 44194, 86062, 88388, 172124, 180671, 298891, 361342, 597782, 722684, 817589, 1195564, 1635178, 3270356, 5678929, 11058967, 11357858, 22117934, 22715716, 44235868, 210120373, 420240746, 840481492]

約数ペア:

[(1, 840481492), (2, 420240746), (4, 210120373), (19, 44235868), (37, 22715716), (38, 22117934), (74, 11357858), (76, 11058967), (148, 5678929), (257, 3270356), (514, 1635178), (703, 1195564), (1028, 817589), (1163, 722684), (1406, 597782), (2326, 361342), (2812, 298891), (4652, 180671), (4883, 172124), (9509, 88388), (9766, 86062), (19018, 44194), (19532, 43031), (22097, 38036)]