2172260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6389}}^1$

素因数の和:6415

約数の個数: 24

約数和(自身を含む): 4830840

約数和(自身を除く): 2658580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 6389, 12778, 25556, 31945, 63890, 108613, 127780, 217226, 434452, 543065, 1086130, 2172260]

約数ペア:

[(1, 2172260), (2, 1086130), (4, 543065), (5, 434452), (10, 217226), (17, 127780), (20, 108613), (34, 63890), (68, 31945), (85, 25556), (170, 12778), (340, 6389)]