18728005250

素因数分解:

$2^1\times 5^3\times {\mathrm{2999}}^1\times {\mathrm{24979}}^1$

素因数の和:27995

約数の個数: 32

約数和(自身を含む): 35071920000

約数和(自身を除く): 16343914750

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 2999, 5998, 14995, 24979, 29990, 49958, 74975, 124895, 149950, 249790, 374875, 624475, 749750, 1248950, 3122375, 6244750, 74912021, 149824042, 374560105, 749120210, 1872800525, 3745601050, 9364002625, 18728005250]

約数ペア:

[(1, 18728005250), (2, 9364002625), (5, 3745601050), (10, 1872800525), (25, 749120210), (50, 374560105), (125, 149824042), (250, 74912021), (2999, 6244750), (5998, 3122375), (14995, 1248950), (24979, 749750), (29990, 624475), (49958, 374875), (74975, 249790), (124895, 149950)]