320180770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{351847}}^1$

素因数の和:351874

約数の個数: 32

約数和(自身を含む): 709325568

約数和(自身を除く): 389144798

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 351847, 703694, 1759235, 2462929, 3518470, 4574011, 4925858, 9148022, 12314645, 22870055, 24629290, 32018077, 45740110, 64036154, 160090385, 320180770]

約数ペア:

[(1, 320180770), (2, 160090385), (5, 64036154), (7, 45740110), (10, 32018077), (13, 24629290), (14, 22870055), (26, 12314645), (35, 9148022), (65, 4925858), (70, 4574011), (91, 3518470), (130, 2462929), (182, 1759235), (455, 703694), (910, 351847)]