71181340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2237}}^1$

素因数の和:2326

約数の個数: 48

約数和(自身を含む): 157161312

約数和(自身を除く): 85979972

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 2237, 3182, 4474, 6364, 7955, 8948, 11185, 15910, 22370, 31820, 44740, 82769, 96191, 165538, 192382, 331076, 384764, 413845, 480955, 827690, 961910, 1655380, 1923820, 3559067, 7118134, 14236268, 17795335, 35590670, 71181340]

約数ペア:

[(1, 71181340), (2, 35590670), (4, 17795335), (5, 14236268), (10, 7118134), (20, 3559067), (37, 1923820), (43, 1655380), (74, 961910), (86, 827690), (148, 480955), (172, 413845), (185, 384764), (215, 331076), (370, 192382), (430, 165538), (740, 96191), (860, 82769), (1591, 44740), (2237, 31820), (3182, 22370), (4474, 15910), (6364, 11185), (7955, 8948)]