1276459310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2605019}}^1$

素因数の和:2605040

約数の個数: 24

約数和(自身を含む): 2672750520

約数和(自身を除く): 1396291210

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2605019, 5210038, 13025095, 18235133, 26050190, 36470266, 91175665, 127645931, 182351330, 255291862, 638229655, 1276459310]

約数ペア:

[(1, 1276459310), (2, 638229655), (5, 255291862), (7, 182351330), (10, 127645931), (14, 91175665), (35, 36470266), (49, 26050190), (70, 18235133), (98, 13025095), (245, 5210038), (490, 2605019)]