1780452010

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{744959}}^1$

素因数の和:745205

約数の個数: 16

約数和(自身を含む): 3218227200

約数和(自身を除く): 1437775190

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 744959, 1489918, 3724795, 7449590, 178045201, 356090402, 890226005, 1780452010]

約数ペア:

[(1, 1780452010), (2, 890226005), (5, 356090402), (10, 178045201), (239, 7449590), (478, 3724795), (1195, 1489918), (2390, 744959)]