305429480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449161}}^1$

素因数の和:449189

約数の個数: 32

約数和(自身を含む): 727642440

約数和(自身を除く): 422212960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 449161, 898322, 1796644, 2245805, 3593288, 4491610, 7635737, 8983220, 15271474, 17966440, 30542948, 38178685, 61085896, 76357370, 152714740, 305429480]

約数ペア:

[(1, 305429480), (2, 152714740), (4, 76357370), (5, 61085896), (8, 38178685), (10, 30542948), (17, 17966440), (20, 15271474), (34, 8983220), (40, 7635737), (68, 4491610), (85, 3593288), (136, 2245805), (170, 1796644), (340, 898322), (680, 449161)]