7238840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 18869760

約数和(自身を除く): 11630920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 251, 280, 412, 502, 515, 721, 824, 1004, 1030, 1255, 1442, 1757, 2008, 2060, 2510, 2884, 3514, 3605, 4120, 5020, 5768, 7028, 7210, 8785, 10040, 14056, 14420, 17570, 25853, 28840, 35140, 51706, 70280, 103412, 129265, 180971, 206824, 258530, 361942, 517060, 723884, 904855, 1034120, 1447768, 1809710, 3619420, 7238840]

約数ペア:

[(1, 7238840), (2, 3619420), (4, 1809710), (5, 1447768), (7, 1034120), (8, 904855), (10, 723884), (14, 517060), (20, 361942), (28, 258530), (35, 206824), (40, 180971), (56, 129265), (70, 103412), (103, 70280), (140, 51706), (206, 35140), (251, 28840), (280, 25853), (412, 17570), (502, 14420), (515, 14056), (721, 10040), (824, 8785), (1004, 7210), (1030, 7028), (1255, 5768), (1442, 5020), (1757, 4120), (2008, 3605), (2060, 3514), (2510, 2884)]