687700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:73

約数の個数: 54

約数和(自身を含む): 1680014

約数和(自身を除く): 992314

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 130, 230, 260, 299, 325, 460, 529, 575, 598, 650, 1058, 1150, 1196, 1300, 1495, 2116, 2300, 2645, 2990, 5290, 5980, 6877, 7475, 10580, 13225, 13754, 14950, 26450, 27508, 29900, 34385, 52900, 68770, 137540, 171925, 343850, 687700]

約数ペア:

[(1, 687700), (2, 343850), (4, 171925), (5, 137540), (10, 68770), (13, 52900), (20, 34385), (23, 29900), (25, 27508), (26, 26450), (46, 14950), (50, 13754), (52, 13225), (65, 10580), (92, 7475), (100, 6877), (115, 5980), (130, 5290), (230, 2990), (260, 2645), (299, 2300), (325, 2116), (460, 1495), (529, 1300), (575, 1196), (598, 1150), (650, 1058)]