31527020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9791}}^1$

素因数の和:9830

約数の個数: 48

約数和(自身を含む): 78962688

約数和(自身を除く): 47435668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 9791, 19582, 39164, 48955, 68537, 97910, 137074, 195820, 225193, 274148, 342685, 450386, 685370, 900772, 1125965, 1370740, 1576351, 2251930, 3152702, 4503860, 6305404, 7881755, 15763510, 31527020]

約数ペア:

[(1, 31527020), (2, 15763510), (4, 7881755), (5, 6305404), (7, 4503860), (10, 3152702), (14, 2251930), (20, 1576351), (23, 1370740), (28, 1125965), (35, 900772), (46, 685370), (70, 450386), (92, 342685), (115, 274148), (140, 225193), (161, 195820), (230, 137074), (322, 97910), (460, 68537), (644, 48955), (805, 39164), (1610, 19582), (3220, 9791)]