7671020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 18580800

約数和(自身を除く): 10909780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 349, 628, 698, 785, 1099, 1396, 1570, 1745, 2198, 2443, 3140, 3490, 4396, 4886, 5495, 6980, 9772, 10990, 12215, 21980, 24430, 48860, 54793, 109586, 219172, 273965, 383551, 547930, 767102, 1095860, 1534204, 1917755, 3835510, 7671020]

約数ペア:

[(1, 7671020), (2, 3835510), (4, 1917755), (5, 1534204), (7, 1095860), (10, 767102), (14, 547930), (20, 383551), (28, 273965), (35, 219172), (70, 109586), (140, 54793), (157, 48860), (314, 24430), (349, 21980), (628, 12215), (698, 10990), (785, 9772), (1099, 6980), (1396, 5495), (1570, 4886), (1745, 4396), (2198, 3490), (2443, 3140)]