2188750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:142

約数の個数: 40

約数和(自身を含む): 4386096

約数和(自身を除く): 2197346

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 103, 125, 170, 206, 250, 425, 515, 625, 850, 1030, 1250, 1751, 2125, 2575, 3502, 4250, 5150, 8755, 10625, 12875, 17510, 21250, 25750, 43775, 64375, 87550, 128750, 218875, 437750, 1094375, 2188750]

約数ペア:

[(1, 2188750), (2, 1094375), (5, 437750), (10, 218875), (17, 128750), (25, 87550), (34, 64375), (50, 43775), (85, 25750), (103, 21250), (125, 17510), (170, 12875), (206, 10625), (250, 8755), (425, 5150), (515, 4250), (625, 3502), (850, 2575), (1030, 2125), (1250, 1751)]