139891600

素因数分解:

$2^4\times 5^2\times {\mathrm{349729}}^1$

素因数の和:349747

約数の個数: 30

約数和(自身を含む): 336090530

約数和(自身を除く): 196198930

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 349729, 699458, 1398916, 1748645, 2797832, 3497290, 5595664, 6994580, 8743225, 13989160, 17486450, 27978320, 34972900, 69945800, 139891600]

約数ペア:

[(1, 139891600), (2, 69945800), (4, 34972900), (5, 27978320), (8, 17486450), (10, 13989160), (16, 8743225), (20, 6994580), (25, 5595664), (40, 3497290), (50, 2797832), (80, 1748645), (100, 1398916), (200, 699458), (400, 349729)]