156408620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{2179}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 340969440

約数和(自身を除く): 184560820

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 370, 388, 485, 740, 970, 1940, 2179, 3589, 4358, 7178, 8716, 10895, 14356, 17945, 21790, 35890, 43580, 71780, 80623, 161246, 211363, 322492, 403115, 422726, 806230, 845452, 1056815, 1612460, 2113630, 4227260, 7820431, 15640862, 31281724, 39102155, 78204310, 156408620]

約数ペア:

[(1, 156408620), (2, 78204310), (4, 39102155), (5, 31281724), (10, 15640862), (20, 7820431), (37, 4227260), (74, 2113630), (97, 1612460), (148, 1056815), (185, 845452), (194, 806230), (370, 422726), (388, 403115), (485, 322492), (740, 211363), (970, 161246), (1940, 80623), (2179, 71780), (3589, 43580), (4358, 35890), (7178, 21790), (8716, 17945), (10895, 14356)]