31497340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1433}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 76128192

約数和(自身を除く): 44630852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1433, 1570, 2198, 2866, 3140, 4396, 5495, 5732, 7165, 10031, 10990, 14330, 20062, 21980, 28660, 40124, 50155, 100310, 200620, 224981, 449962, 899924, 1124905, 1574867, 2249810, 3149734, 4499620, 6299468, 7874335, 15748670, 31497340]

約数ペア:

[(1, 31497340), (2, 15748670), (4, 7874335), (5, 6299468), (7, 4499620), (10, 3149734), (14, 2249810), (20, 1574867), (28, 1124905), (35, 899924), (70, 449962), (140, 224981), (157, 200620), (314, 100310), (628, 50155), (785, 40124), (1099, 28660), (1433, 21980), (1570, 20062), (2198, 14330), (2866, 10990), (3140, 10031), (4396, 7165), (5495, 5732)]