71380780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{75937}}^1$

素因数の和:75993

約数の個数: 24

約数和(自身を含む): 153091008

約数和(自身を除く): 81710228

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 75937, 151874, 303748, 379685, 759370, 1518740, 3569039, 7138078, 14276156, 17845195, 35690390, 71380780]

約数ペア:

[(1, 71380780), (2, 35690390), (4, 17845195), (5, 14276156), (10, 7138078), (20, 3569039), (47, 1518740), (94, 759370), (188, 379685), (235, 303748), (470, 151874), (940, 75937)]