2214500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 4996992

約数和(自身を除く): 2782492

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 103, 125, 172, 206, 215, 250, 412, 430, 500, 515, 860, 1030, 1075, 2060, 2150, 2575, 4300, 4429, 5150, 5375, 8858, 10300, 10750, 12875, 17716, 21500, 22145, 25750, 44290, 51500, 88580, 110725, 221450, 442900, 553625, 1107250, 2214500]

約数ペア:

[(1, 2214500), (2, 1107250), (4, 553625), (5, 442900), (10, 221450), (20, 110725), (25, 88580), (43, 51500), (50, 44290), (86, 25750), (100, 22145), (103, 21500), (125, 17716), (172, 12875), (206, 10750), (215, 10300), (250, 8858), (412, 5375), (430, 5150), (500, 4429), (515, 4300), (860, 2575), (1030, 2150), (1075, 2060)]