251626520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{21767}}^1$

素因数の和:21812

約数の個数: 48

約数和(自身を含む): 601449840

約数和(自身を除く): 349823320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 21767, 43534, 87068, 108835, 174136, 217670, 370039, 435340, 740078, 870680, 1480156, 1850195, 2960312, 3700390, 6290663, 7400780, 12581326, 14801560, 25162652, 31453315, 50325304, 62906630, 125813260, 251626520]

約数ペア:

[(1, 251626520), (2, 125813260), (4, 62906630), (5, 50325304), (8, 31453315), (10, 25162652), (17, 14801560), (20, 12581326), (34, 7400780), (40, 6290663), (68, 3700390), (85, 2960312), (136, 1850195), (170, 1480156), (289, 870680), (340, 740078), (578, 435340), (680, 370039), (1156, 217670), (1445, 174136), (2312, 108835), (2890, 87068), (5780, 43534), (11560, 21767)]