278191280

素因数分解:

$2^4\times 5^1\times {\mathrm{673}}^1\times {\mathrm{5167}}^1$

素因数の和:5853

約数の個数: 40

約数和(自身を含む): 647881152

約数和(自身を除く): 369689872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 673, 1346, 2692, 3365, 5167, 5384, 6730, 10334, 10768, 13460, 20668, 25835, 26920, 41336, 51670, 53840, 82672, 103340, 206680, 413360, 3477391, 6954782, 13909564, 17386955, 27819128, 34773910, 55638256, 69547820, 139095640, 278191280]

約数ペア:

[(1, 278191280), (2, 139095640), (4, 69547820), (5, 55638256), (8, 34773910), (10, 27819128), (16, 17386955), (20, 13909564), (40, 6954782), (80, 3477391), (673, 413360), (1346, 206680), (2692, 103340), (3365, 82672), (5167, 53840), (5384, 51670), (6730, 41336), (10334, 26920), (10768, 25835), (13460, 20668)]