169503740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{24709}}^1$

素因数の和:24739

約数の個数: 48

約数和(自身を含む): 415128000

約数和(自身を除く): 245624260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 24709, 49418, 98836, 123545, 172963, 247090, 345926, 494180, 691852, 864815, 1210741, 1729630, 2421482, 3459260, 4842964, 6053705, 8475187, 12107410, 16950374, 24214820, 33900748, 42375935, 84751870, 169503740]

約数ペア:

[(1, 169503740), (2, 84751870), (4, 42375935), (5, 33900748), (7, 24214820), (10, 16950374), (14, 12107410), (20, 8475187), (28, 6053705), (35, 4842964), (49, 3459260), (70, 2421482), (98, 1729630), (140, 1210741), (196, 864815), (245, 691852), (343, 494180), (490, 345926), (686, 247090), (980, 172963), (1372, 123545), (1715, 98836), (3430, 49418), (6860, 24709)]