3902990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4289}}^1$

素因数の和:4316

約数の個数: 32

約数和(自身を含む): 8648640

約数和(自身を除く): 4745650

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 4289, 8578, 21445, 30023, 42890, 55757, 60046, 111514, 150115, 278785, 300230, 390299, 557570, 780598, 1951495, 3902990]

約数ペア:

[(1, 3902990), (2, 1951495), (5, 780598), (7, 557570), (10, 390299), (13, 300230), (14, 278785), (26, 150115), (35, 111514), (65, 60046), (70, 55757), (91, 42890), (130, 30023), (182, 21445), (455, 8578), (910, 4289)]