51023560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1223}}^1$

素因数の和:1390

約数の個数: 64

約数和(自身を含む): 132192000

約数和(自身を除く): 81168440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1223, 1490, 2086, 2446, 2980, 4172, 4892, 5215, 5960, 6115, 8344, 8561, 9784, 10430, 12230, 17122, 20860, 24460, 34244, 41720, 42805, 48920, 68488, 85610, 171220, 182227, 342440, 364454, 728908, 911135, 1275589, 1457816, 1822270, 2551178, 3644540, 5102356, 6377945, 7289080, 10204712, 12755890, 25511780, 51023560]

約数ペア:

[(1, 51023560), (2, 25511780), (4, 12755890), (5, 10204712), (7, 7289080), (8, 6377945), (10, 5102356), (14, 3644540), (20, 2551178), (28, 1822270), (35, 1457816), (40, 1275589), (56, 911135), (70, 728908), (140, 364454), (149, 342440), (280, 182227), (298, 171220), (596, 85610), (745, 68488), (1043, 48920), (1192, 42805), (1223, 41720), (1490, 34244), (2086, 24460), (2446, 20860), (2980, 17122), (4172, 12230), (4892, 10430), (5215, 9784), (5960, 8561), (6115, 8344)]