311528080

素因数分解:

$2^4\times 5^1\times {\mathrm{3894101}}^1$

素因数の和:3894114

約数の個数: 20

約数和(自身を含む): 724302972

約数和(自身を除く): 412774892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3894101, 7788202, 15576404, 19470505, 31152808, 38941010, 62305616, 77882020, 155764040, 311528080]

約数ペア:

[(1, 311528080), (2, 155764040), (4, 77882020), (5, 62305616), (8, 38941010), (10, 31152808), (16, 19470505), (20, 15576404), (40, 7788202), (80, 3894101)]