140664020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1004743}}^1$

素因数の和:1004759

約数の個数: 24

約数和(自身を含む): 337593984

約数和(自身を除く): 196929964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1004743, 2009486, 4018972, 5023715, 7033201, 10047430, 14066402, 20094860, 28132804, 35166005, 70332010, 140664020]

約数ペア:

[(1, 140664020), (2, 70332010), (4, 35166005), (5, 28132804), (7, 20094860), (10, 14066402), (14, 10047430), (20, 7033201), (28, 5023715), (35, 4018972), (70, 2009486), (140, 1004743)]