290136385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{7043}}^1$

素因数の和:7173

約数の個数: 32

約数和(自身を含む): 438193152

約数和(自身を除く): 148056767

約数列:

[1, 5, 7, 11, 35, 55, 77, 107, 385, 535, 749, 1177, 3745, 5885, 7043, 8239, 35215, 41195, 49301, 77473, 246505, 387365, 542311, 753601, 2711555, 3768005, 5275207, 8289611, 26376035, 41448055, 58027277, 290136385]

約数ペア:

[(1, 290136385), (5, 58027277), (7, 41448055), (11, 26376035), (35, 8289611), (55, 5275207), (77, 3768005), (107, 2711555), (385, 753601), (535, 542311), (749, 387365), (1177, 246505), (3745, 77473), (5885, 49301), (7043, 41195), (8239, 35215)]