9840620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 22171968

約数和(自身を除く): 12331348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 281, 340, 412, 515, 562, 1030, 1124, 1405, 1751, 2060, 2810, 3502, 4777, 5620, 7004, 8755, 9554, 17510, 19108, 23885, 28943, 35020, 47770, 57886, 95540, 115772, 144715, 289430, 492031, 578860, 984062, 1968124, 2460155, 4920310, 9840620]

約数ペア:

[(1, 9840620), (2, 4920310), (4, 2460155), (5, 1968124), (10, 984062), (17, 578860), (20, 492031), (34, 289430), (68, 144715), (85, 115772), (103, 95540), (170, 57886), (206, 47770), (281, 35020), (340, 28943), (412, 23885), (515, 19108), (562, 17510), (1030, 9554), (1124, 8755), (1405, 7004), (1751, 5620), (2060, 4777), (2810, 3502)]