389193770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{3499}}^1$

素因数の和:3747

約数の個数: 48

約数和(自身を含む): 818748000

約数和(自身を除く): 429554230

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 227, 245, 454, 490, 1135, 1589, 2270, 3178, 3499, 6998, 7945, 11123, 15890, 17495, 22246, 24493, 34990, 48986, 55615, 111230, 122465, 171451, 244930, 342902, 794273, 857255, 1588546, 1714510, 3971365, 5559911, 7942730, 11119822, 27799555, 38919377, 55599110, 77838754, 194596885, 389193770]

約数ペア:

[(1, 389193770), (2, 194596885), (5, 77838754), (7, 55599110), (10, 38919377), (14, 27799555), (35, 11119822), (49, 7942730), (70, 5559911), (98, 3971365), (227, 1714510), (245, 1588546), (454, 857255), (490, 794273), (1135, 342902), (1589, 244930), (2270, 171451), (3178, 122465), (3499, 111230), (6998, 55615), (7945, 48986), (11123, 34990), (15890, 24493), (17495, 22246)]