219066820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{2207}}^1$

素因数の和:2932

約数の個数: 48

約数和(自身を含む): 526740480

約数和(自身を除く): 307673660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 709, 1418, 2207, 2836, 3545, 4414, 4963, 7090, 8828, 9926, 11035, 14180, 15449, 19852, 22070, 24815, 30898, 44140, 49630, 61796, 77245, 99260, 154490, 308980, 1564763, 3129526, 6259052, 7823815, 10953341, 15647630, 21906682, 31295260, 43813364, 54766705, 109533410, 219066820]

約数ペア:

[(1, 219066820), (2, 109533410), (4, 54766705), (5, 43813364), (7, 31295260), (10, 21906682), (14, 15647630), (20, 10953341), (28, 7823815), (35, 6259052), (70, 3129526), (140, 1564763), (709, 308980), (1418, 154490), (2207, 99260), (2836, 77245), (3545, 61796), (4414, 49630), (4963, 44140), (7090, 30898), (8828, 24815), (9926, 22070), (11035, 19852), (14180, 15449)]