31801870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 61998048

約数和(自身を除く): 30196178

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 101, 115, 185, 202, 230, 370, 505, 851, 1010, 1369, 1702, 2323, 2738, 3737, 4255, 4646, 6845, 7474, 8510, 11615, 13690, 18685, 23230, 31487, 37370, 62974, 85951, 138269, 157435, 171902, 276538, 314870, 429755, 691345, 859510, 1382690, 3180187, 6360374, 15900935, 31801870]

約数ペア:

[(1, 31801870), (2, 15900935), (5, 6360374), (10, 3180187), (23, 1382690), (37, 859510), (46, 691345), (74, 429755), (101, 314870), (115, 276538), (185, 171902), (202, 157435), (230, 138269), (370, 85951), (505, 62974), (851, 37370), (1010, 31487), (1369, 23230), (1702, 18685), (2323, 13690), (2738, 11615), (3737, 8510), (4255, 7474), (4646, 6845)]