7245980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 17653440

約数和(自身を除く): 10407460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 709, 730, 1022, 1418, 1460, 2044, 2555, 2836, 3545, 4963, 5110, 7090, 9926, 10220, 14180, 19852, 24815, 49630, 51757, 99260, 103514, 207028, 258785, 362299, 517570, 724598, 1035140, 1449196, 1811495, 3622990, 7245980]

約数ペア:

[(1, 7245980), (2, 3622990), (4, 1811495), (5, 1449196), (7, 1035140), (10, 724598), (14, 517570), (20, 362299), (28, 258785), (35, 207028), (70, 103514), (73, 99260), (140, 51757), (146, 49630), (292, 24815), (365, 19852), (511, 14180), (709, 10220), (730, 9926), (1022, 7090), (1418, 5110), (1460, 4963), (2044, 3545), (2555, 2836)]