248405960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{2423}}^1$

素因数の和:2678

約数の個数: 64

約数和(自身を含む): 612593280

約数和(自身を除く): 364187320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 233, 440, 466, 932, 1165, 1864, 2330, 2423, 2563, 4660, 4846, 5126, 9320, 9692, 10252, 12115, 12815, 19384, 20504, 24230, 25630, 26653, 48460, 51260, 53306, 96920, 102520, 106612, 133265, 213224, 266530, 533060, 564559, 1066120, 1129118, 2258236, 2822795, 4516472, 5645590, 6210149, 11291180, 12420298, 22582360, 24840596, 31050745, 49681192, 62101490, 124202980, 248405960]

約数ペア:

[(1, 248405960), (2, 124202980), (4, 62101490), (5, 49681192), (8, 31050745), (10, 24840596), (11, 22582360), (20, 12420298), (22, 11291180), (40, 6210149), (44, 5645590), (55, 4516472), (88, 2822795), (110, 2258236), (220, 1129118), (233, 1066120), (440, 564559), (466, 533060), (932, 266530), (1165, 213224), (1864, 133265), (2330, 106612), (2423, 102520), (2563, 96920), (4660, 53306), (4846, 51260), (5126, 48460), (9320, 26653), (9692, 25630), (10252, 24230), (12115, 20504), (12815, 19384)]