1331780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3917}}^1$

素因数の和:3943

約数の個数: 24

約数和(自身を含む): 2962008

約数和(自身を除く): 1630228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 3917, 7834, 15668, 19585, 39170, 66589, 78340, 133178, 266356, 332945, 665890, 1331780]

約数ペア:

[(1, 1331780), (2, 665890), (4, 332945), (5, 266356), (10, 133178), (17, 78340), (20, 66589), (34, 39170), (68, 19585), (85, 15668), (170, 7834), (340, 3917)]