271486840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{218941}}^1$

素因数の和:218983

約数の個数: 32

約数和(自身を含む): 630552960

約数和(自身を除く): 359066120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 218941, 437882, 875764, 1094705, 1751528, 2189410, 4378820, 6787171, 8757640, 13574342, 27148684, 33935855, 54297368, 67871710, 135743420, 271486840]

約数ペア:

[(1, 271486840), (2, 135743420), (4, 67871710), (5, 54297368), (8, 33935855), (10, 27148684), (20, 13574342), (31, 8757640), (40, 6787171), (62, 4378820), (124, 2189410), (155, 1751528), (248, 1094705), (310, 875764), (620, 437882), (1240, 218941)]