258683560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{380417}}^1$

素因数の和:380445

約数の個数: 32

約数和(自身を含む): 616277160

約数和(自身を除く): 357593600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 380417, 760834, 1521668, 1902085, 3043336, 3804170, 6467089, 7608340, 12934178, 15216680, 25868356, 32335445, 51736712, 64670890, 129341780, 258683560]

約数ペア:

[(1, 258683560), (2, 129341780), (4, 64670890), (5, 51736712), (8, 32335445), (10, 25868356), (17, 15216680), (20, 12934178), (34, 7608340), (40, 6467089), (68, 3804170), (85, 3043336), (136, 1902085), (170, 1521668), (340, 760834), (680, 380417)]