627098780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{407207}}^1$

素因数の和:407234

約数の個数: 48

約数和(自身を含む): 1641862656

約数和(自身を除く): 1014763876

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 407207, 814414, 1628828, 2036035, 2850449, 4072070, 4479277, 5700898, 8144140, 8958554, 11401796, 14252245, 17917108, 22396385, 28504490, 31354939, 44792770, 57008980, 62709878, 89585540, 125419756, 156774695, 313549390, 627098780]

約数ペア:

[(1, 627098780), (2, 313549390), (4, 156774695), (5, 125419756), (7, 89585540), (10, 62709878), (11, 57008980), (14, 44792770), (20, 31354939), (22, 28504490), (28, 22396385), (35, 17917108), (44, 14252245), (55, 11401796), (70, 8958554), (77, 8144140), (110, 5700898), (140, 4479277), (154, 4072070), (220, 2850449), (308, 2036035), (385, 1628828), (770, 814414), (1540, 407207)]