2489140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7321}}^1$

素因数の和:7347

約数の個数: 24

約数和(自身を含む): 5535432

約数和(自身を除く): 3046292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 7321, 14642, 29284, 36605, 73210, 124457, 146420, 248914, 497828, 622285, 1244570, 2489140]

約数ペア:

[(1, 2489140), (2, 1244570), (4, 622285), (5, 497828), (10, 248914), (17, 146420), (20, 124457), (34, 73210), (68, 36605), (85, 29284), (170, 14642), (340, 7321)]