634780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1867}}^1$

素因数の和:1893

約数の個数: 24

約数和(自身を含む): 1412208

約数和(自身を除く): 777428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1867, 3734, 7468, 9335, 18670, 31739, 37340, 63478, 126956, 158695, 317390, 634780]

約数ペア:

[(1, 634780), (2, 317390), (4, 158695), (5, 126956), (10, 63478), (17, 37340), (20, 31739), (34, 18670), (68, 9335), (85, 7468), (170, 3734), (340, 1867)]