439695940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{22877}}^1$

素因数の和:22948

約数の個数: 36

約数和(自身を含む): 954149868

約数和(自身を除く): 514453928

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 19220, 22877, 45754, 91508, 114385, 228770, 457540, 709187, 1418374, 2836748, 3545935, 7091870, 14183740, 21984797, 43969594, 87939188, 109923985, 219847970, 439695940]

約数ペア:

[(1, 439695940), (2, 219847970), (4, 109923985), (5, 87939188), (10, 43969594), (20, 21984797), (31, 14183740), (62, 7091870), (124, 3545935), (155, 2836748), (310, 1418374), (620, 709187), (961, 457540), (1922, 228770), (3844, 114385), (4805, 91508), (9610, 45754), (19220, 22877)]