7841540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 19084800

約数和(自身を除く): 11243260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 709, 790, 1106, 1418, 1580, 2212, 2765, 2836, 3545, 4963, 5530, 7090, 9926, 11060, 14180, 19852, 24815, 49630, 56011, 99260, 112022, 224044, 280055, 392077, 560110, 784154, 1120220, 1568308, 1960385, 3920770, 7841540]

約数ペア:

[(1, 7841540), (2, 3920770), (4, 1960385), (5, 1568308), (7, 1120220), (10, 784154), (14, 560110), (20, 392077), (28, 280055), (35, 224044), (70, 112022), (79, 99260), (140, 56011), (158, 49630), (316, 24815), (395, 19852), (553, 14180), (709, 11060), (790, 9926), (1106, 7090), (1418, 5530), (1580, 4963), (2212, 3545), (2765, 2836)]