15440870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 28749600

約数和(自身を除く): 13308730

約数列:

[1, 2, 5, 10, 43, 86, 149, 215, 241, 298, 430, 482, 745, 1205, 1490, 2410, 6407, 10363, 12814, 20726, 32035, 35909, 51815, 64070, 71818, 103630, 179545, 359090, 1544087, 3088174, 7720435, 15440870]

約数ペア:

[(1, 15440870), (2, 7720435), (5, 3088174), (10, 1544087), (43, 359090), (86, 179545), (149, 103630), (215, 71818), (241, 64070), (298, 51815), (430, 35909), (482, 32035), (745, 20726), (1205, 12814), (1490, 10363), (2410, 6407)]