206815740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{8861}}^1$

素因数の和:9262

約数の個数: 48

約数和(自身を含む): 580638240

約数和(自身を除く): 373822500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 778, 1167, 1556, 1945, 2334, 3890, 4668, 5835, 7780, 8861, 11670, 17722, 23340, 26583, 35444, 44305, 53166, 88610, 106332, 132915, 177220, 265830, 531660, 3446929, 6893858, 10340787, 13787716, 17234645, 20681574, 34469290, 41363148, 51703935, 68938580, 103407870, 206815740]

約数ペア:

[(1, 206815740), (2, 103407870), (3, 68938580), (4, 51703935), (5, 41363148), (6, 34469290), (10, 20681574), (12, 17234645), (15, 13787716), (20, 10340787), (30, 6893858), (60, 3446929), (389, 531660), (778, 265830), (1167, 177220), (1556, 132915), (1945, 106332), (2334, 88610), (3890, 53166), (4668, 44305), (5835, 35444), (7780, 26583), (8861, 23340), (11670, 17722)]