129341780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{380417}}^1$

素因数の和:380443

約数の個数: 24

約数和(自身を含む): 287596008

約数和(自身を除く): 158254228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 380417, 760834, 1521668, 1902085, 3804170, 6467089, 7608340, 12934178, 25868356, 32335445, 64670890, 129341780]

約数ペア:

[(1, 129341780), (2, 64670890), (4, 32335445), (5, 25868356), (10, 12934178), (17, 7608340), (20, 6467089), (34, 3804170), (68, 1902085), (85, 1521668), (170, 760834), (340, 380417)]