820031890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{34703}}^1$

素因数の和:34866

約数の個数: 32

約数和(自身を含む): 1574173440

約数和(自身を除く): 754141550

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1390, 2363, 4726, 11815, 23630, 34703, 69406, 173515, 347030, 589951, 1179902, 2949755, 4823717, 5899510, 9647434, 24118585, 48237170, 82003189, 164006378, 410015945, 820031890]

約数ペア:

[(1, 820031890), (2, 410015945), (5, 164006378), (10, 82003189), (17, 48237170), (34, 24118585), (85, 9647434), (139, 5899510), (170, 4823717), (278, 2949755), (695, 1179902), (1390, 589951), (2363, 347030), (4726, 173515), (11815, 69406), (23630, 34703)]