7485940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4861}}^1$

素因数の和:4888

約数の個数: 48

約数和(自身を含む): 19603584

約数和(自身を除く): 12117644

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, 4861, 9722, 19444, 24305, 34027, 48610, 53471, 68054, 97220, 106942, 136108, 170135, 213884, 267355, 340270, 374297, 534710, 680540, 748594, 1069420, 1497188, 1871485, 3742970, 7485940]

約数ペア:

[(1, 7485940), (2, 3742970), (4, 1871485), (5, 1497188), (7, 1069420), (10, 748594), (11, 680540), (14, 534710), (20, 374297), (22, 340270), (28, 267355), (35, 213884), (44, 170135), (55, 136108), (70, 106942), (77, 97220), (110, 68054), (140, 53471), (154, 48610), (220, 34027), (308, 24305), (385, 19444), (770, 9722), (1540, 4861)]