1172990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1$

素因数の和:1316

約数の個数: 32

約数和(自身を含む): 2600640

約数和(自身を除く): 1427650

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 1289, 2578, 6445, 9023, 12890, 16757, 18046, 33514, 45115, 83785, 90230, 117299, 167570, 234598, 586495, 1172990]

約数ペア:

[(1, 1172990), (2, 586495), (5, 234598), (7, 167570), (10, 117299), (13, 90230), (14, 83785), (26, 45115), (35, 33514), (65, 18046), (70, 16757), (91, 12890), (130, 9023), (182, 6445), (455, 2578), (910, 1289)]