786520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^2$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 2061360

約数和(自身を除く): 1274840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2809, 2968, 3710, 5618, 7420, 11236, 14045, 14840, 19663, 22472, 28090, 39326, 56180, 78652, 98315, 112360, 157304, 196630, 393260, 786520]

約数ペア:

[(1, 786520), (2, 393260), (4, 196630), (5, 157304), (7, 112360), (8, 98315), (10, 78652), (14, 56180), (20, 39326), (28, 28090), (35, 22472), (40, 19663), (53, 14840), (56, 14045), (70, 11236), (106, 7420), (140, 5618), (212, 3710), (265, 2968), (280, 2809), (371, 2120), (424, 1855), (530, 1484), (742, 1060)]