305500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:79

約数の個数: 48

約数和(自身を含む): 733824

約数和(自身を除く): 428324

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 125, 130, 188, 235, 250, 260, 325, 470, 500, 611, 650, 940, 1175, 1222, 1300, 1625, 2350, 2444, 3055, 3250, 4700, 5875, 6110, 6500, 11750, 12220, 15275, 23500, 30550, 61100, 76375, 152750, 305500]

約数ペア:

[(1, 305500), (2, 152750), (4, 76375), (5, 61100), (10, 30550), (13, 23500), (20, 15275), (25, 12220), (26, 11750), (47, 6500), (50, 6110), (52, 5875), (65, 4700), (94, 3250), (100, 3055), (125, 2444), (130, 2350), (188, 1625), (235, 1300), (250, 1222), (260, 1175), (325, 940), (470, 650), (500, 611)]