421874690

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1\times {\mathrm{1109}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 769230000

約数和(自身を除く): 347355310

約数列:

[1, 2, 5, 10, 109, 218, 349, 545, 698, 1090, 1109, 1745, 2218, 3490, 5545, 11090, 38041, 76082, 120881, 190205, 241762, 380410, 387041, 604405, 774082, 1208810, 1935205, 3870410, 42187469, 84374938, 210937345, 421874690]

約数ペア:

[(1, 421874690), (2, 210937345), (5, 84374938), (10, 42187469), (109, 3870410), (218, 1935205), (349, 1208810), (545, 774082), (698, 604405), (1090, 387041), (1109, 380410), (1745, 241762), (2218, 190205), (3490, 120881), (5545, 76082), (11090, 38041)]