708500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 1681680

約数和(自身を除く): 973180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 109, 125, 130, 218, 250, 260, 325, 436, 500, 545, 650, 1090, 1300, 1417, 1625, 2180, 2725, 2834, 3250, 5450, 5668, 6500, 7085, 10900, 13625, 14170, 27250, 28340, 35425, 54500, 70850, 141700, 177125, 354250, 708500]

約数ペア:

[(1, 708500), (2, 354250), (4, 177125), (5, 141700), (10, 70850), (13, 54500), (20, 35425), (25, 28340), (26, 27250), (50, 14170), (52, 13625), (65, 10900), (100, 7085), (109, 6500), (125, 5668), (130, 5450), (218, 3250), (250, 2834), (260, 2725), (325, 2180), (436, 1625), (500, 1417), (545, 1300), (650, 1090)]