17465980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1798

約数の個数: 48

約数和(自身を含む): 42517440

約数和(自身を除く): 25051460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 1709, 2044, 2555, 3418, 5110, 6836, 8545, 10220, 11963, 17090, 23926, 34180, 47852, 59815, 119630, 124757, 239260, 249514, 499028, 623785, 873299, 1247570, 1746598, 2495140, 3493196, 4366495, 8732990, 17465980]

約数ペア:

[(1, 17465980), (2, 8732990), (4, 4366495), (5, 3493196), (7, 2495140), (10, 1746598), (14, 1247570), (20, 873299), (28, 623785), (35, 499028), (70, 249514), (73, 239260), (140, 124757), (146, 119630), (292, 59815), (365, 47852), (511, 34180), (730, 23926), (1022, 17090), (1460, 11963), (1709, 10220), (2044, 8545), (2555, 6836), (3418, 5110)]