9820180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 21805056

約数和(自身を除く): 11984876

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 337, 470, 620, 674, 940, 1348, 1457, 1685, 2914, 3370, 5828, 6740, 7285, 10447, 14570, 15839, 20894, 29140, 31678, 41788, 52235, 63356, 79195, 104470, 158390, 208940, 316780, 491009, 982018, 1964036, 2455045, 4910090, 9820180]

約数ペア:

[(1, 9820180), (2, 4910090), (4, 2455045), (5, 1964036), (10, 982018), (20, 491009), (31, 316780), (47, 208940), (62, 158390), (94, 104470), (124, 79195), (155, 63356), (188, 52235), (235, 41788), (310, 31678), (337, 29140), (470, 20894), (620, 15839), (674, 14570), (940, 10447), (1348, 7285), (1457, 6740), (1685, 5828), (2914, 3370)]