207794020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1484243}}^1$

素因数の和:1484259

約数の個数: 24

約数和(自身を含む): 498705984

約数和(自身を除く): 290911964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1484243, 2968486, 5936972, 7421215, 10389701, 14842430, 20779402, 29684860, 41558804, 51948505, 103897010, 207794020]

約数ペア:

[(1, 207794020), (2, 103897010), (4, 51948505), (5, 41558804), (7, 29684860), (10, 20779402), (14, 14842430), (20, 10389701), (28, 7421215), (35, 5936972), (70, 2968486), (140, 1484243)]