7751780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 16982784

約数和(自身を除く): 9231004

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 103, 106, 142, 206, 212, 265, 284, 355, 412, 515, 530, 710, 1030, 1060, 1420, 2060, 3763, 5459, 7313, 7526, 10918, 14626, 15052, 18815, 21836, 27295, 29252, 36565, 37630, 54590, 73130, 75260, 109180, 146260, 387589, 775178, 1550356, 1937945, 3875890, 7751780]

約数ペア:

[(1, 7751780), (2, 3875890), (4, 1937945), (5, 1550356), (10, 775178), (20, 387589), (53, 146260), (71, 109180), (103, 75260), (106, 73130), (142, 54590), (206, 37630), (212, 36565), (265, 29252), (284, 27295), (355, 21836), (412, 18815), (515, 15052), (530, 14626), (710, 10918), (1030, 7526), (1060, 7313), (1420, 5459), (2060, 3763)]