238788890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{3727}}^1$

素因数の和:3926

約数の個数: 32

約数和(自身を含む): 442886400

約数和(自身を除く): 204097510

約数列:

[1, 2, 5, 10, 43, 86, 149, 215, 298, 430, 745, 1490, 3727, 6407, 7454, 12814, 18635, 32035, 37270, 64070, 160261, 320522, 555323, 801305, 1110646, 1602610, 2776615, 5553230, 23878889, 47757778, 119394445, 238788890]

約数ペア:

[(1, 238788890), (2, 119394445), (5, 47757778), (10, 23878889), (43, 5553230), (86, 2776615), (149, 1602610), (215, 1110646), (298, 801305), (430, 555323), (745, 320522), (1490, 160261), (3727, 64070), (6407, 37270), (7454, 32035), (12814, 18635)]