12798100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 32497920

約数和(自身を除く): 19699820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 329, 350, 389, 470, 658, 700, 778, 940, 1175, 1316, 1556, 1645, 1945, 2350, 2723, 3290, 3890, 4700, 5446, 6580, 7780, 8225, 9725, 10892, 13615, 16450, 18283, 19450, 27230, 32900, 36566, 38900, 54460, 68075, 73132, 91415, 127981, 136150, 182830, 255962, 272300, 365660, 457075, 511924, 639905, 914150, 1279810, 1828300, 2559620, 3199525, 6399050, 12798100]

約数ペア:

[(1, 12798100), (2, 6399050), (4, 3199525), (5, 2559620), (7, 1828300), (10, 1279810), (14, 914150), (20, 639905), (25, 511924), (28, 457075), (35, 365660), (47, 272300), (50, 255962), (70, 182830), (94, 136150), (100, 127981), (140, 91415), (175, 73132), (188, 68075), (235, 54460), (329, 38900), (350, 36566), (389, 32900), (470, 27230), (658, 19450), (700, 18283), (778, 16450), (940, 13615), (1175, 10892), (1316, 9725), (1556, 8225), (1645, 7780), (1945, 6580), (2350, 5446), (2723, 4700), (3290, 3890)]