277206860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{3089}}^1$

素因数の和:3746

約数の個数: 48

約数和(自身を含む): 666550080

約数和(自身を除く): 389343220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 641, 1282, 2564, 3089, 3205, 4487, 6178, 6410, 8974, 12356, 12820, 15445, 17948, 21623, 22435, 30890, 43246, 44870, 61780, 86492, 89740, 108115, 216230, 432460, 1980049, 3960098, 7920196, 9900245, 13860343, 19800490, 27720686, 39600980, 55441372, 69301715, 138603430, 277206860]

約数ペア:

[(1, 277206860), (2, 138603430), (4, 69301715), (5, 55441372), (7, 39600980), (10, 27720686), (14, 19800490), (20, 13860343), (28, 9900245), (35, 7920196), (70, 3960098), (140, 1980049), (641, 432460), (1282, 216230), (2564, 108115), (3089, 89740), (3205, 86492), (4487, 61780), (6178, 44870), (6410, 43246), (8974, 30890), (12356, 22435), (12820, 21623), (15445, 17948)]