938406140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2081}}^1\times {\mathrm{3221}}^1$

素因数の和:5318

約数の個数: 48

約数和(自身を含む): 2253956544

約数和(自身を除く): 1315550404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2081, 3221, 4162, 6442, 8324, 10405, 12884, 14567, 16105, 20810, 22547, 29134, 32210, 41620, 45094, 58268, 64420, 72835, 90188, 112735, 145670, 225470, 291340, 450940, 6702901, 13405802, 26811604, 33514505, 46920307, 67029010, 93840614, 134058020, 187681228, 234601535, 469203070, 938406140]

約数ペア:

[(1, 938406140), (2, 469203070), (4, 234601535), (5, 187681228), (7, 134058020), (10, 93840614), (14, 67029010), (20, 46920307), (28, 33514505), (35, 26811604), (70, 13405802), (140, 6702901), (2081, 450940), (3221, 291340), (4162, 225470), (6442, 145670), (8324, 112735), (10405, 90188), (12884, 72835), (14567, 64420), (16105, 58268), (20810, 45094), (22547, 41620), (29134, 32210)]