649780455980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3929}}^1\times {\mathrm{285139}}^1$

素因数の和:289106

約数の個数: 48

約数和(自身を含む): 1411956252000

約数和(自身を除く): 762175796020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 3929, 7858, 15716, 19645, 39290, 78580, 113941, 227882, 285139, 455764, 569705, 570278, 1139410, 1140556, 1425695, 2278820, 2851390, 5702780, 8269031, 16538062, 33076124, 41345155, 82690310, 165380620, 1120311131, 2240622262, 4481244524, 5601555655, 11203111310, 22406222620, 32489022799, 64978045598, 129956091196, 162445113995, 324890227990, 649780455980]

約数ペア:

[(1, 649780455980), (2, 324890227990), (4, 162445113995), (5, 129956091196), (10, 64978045598), (20, 32489022799), (29, 22406222620), (58, 11203111310), (116, 5601555655), (145, 4481244524), (290, 2240622262), (580, 1120311131), (3929, 165380620), (7858, 82690310), (15716, 41345155), (19645, 33076124), (39290, 16538062), (78580, 8269031), (113941, 5702780), (227882, 2851390), (285139, 2278820), (455764, 1425695), (569705, 1140556), (570278, 1139410)]