1281500

素因数分解:

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

素因数の和:263

約数の個数: 48

約数和(自身を含む): 3066336

約数和(自身を除く): 1784836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 233, 250, 275, 466, 500, 550, 932, 1100, 1165, 1375, 2330, 2563, 2750, 4660, 5126, 5500, 5825, 10252, 11650, 12815, 23300, 25630, 29125, 51260, 58250, 64075, 116500, 128150, 256300, 320375, 640750, 1281500]

約数ペア:

[(1, 1281500), (2, 640750), (4, 320375), (5, 256300), (10, 128150), (11, 116500), (20, 64075), (22, 58250), (25, 51260), (44, 29125), (50, 25630), (55, 23300), (100, 12815), (110, 11650), (125, 10252), (220, 5825), (233, 5500), (250, 5126), (275, 4660), (466, 2750), (500, 2563), (550, 2330), (932, 1375), (1100, 1165)]