1278702580

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{267511}}^1$

素因数の和:267759

約数の個数: 24

約数和(自身を含む): 2696520960

約数和(自身を除く): 1417818380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 267511, 535022, 1070044, 1337555, 2675110, 5350220, 63935129, 127870258, 255740516, 319675645, 639351290, 1278702580]

約数ペア:

[(1, 1278702580), (2, 639351290), (4, 319675645), (5, 255740516), (10, 127870258), (20, 63935129), (239, 5350220), (478, 2675110), (956, 1337555), (1195, 1070044), (2390, 535022), (4780, 267511)]