271330280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521789}}^1$

素因数の和:521813

約数の個数: 32

約数和(自身を含む): 657455400

約数和(自身を除く): 386125120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 521789, 1043578, 2087156, 2608945, 4174312, 5217890, 6783257, 10435780, 13566514, 20871560, 27133028, 33916285, 54266056, 67832570, 135665140, 271330280]

約数ペア:

[(1, 271330280), (2, 135665140), (4, 67832570), (5, 54266056), (8, 33916285), (10, 27133028), (13, 20871560), (20, 13566514), (26, 10435780), (40, 6783257), (52, 5217890), (65, 4174312), (104, 2608945), (130, 2087156), (260, 1043578), (520, 521789)]