188992020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{64283}}^1$

素因数の和:64309

約数の個数: 72

約数和(自身を含む): 615583584

約数和(自身を除く): 426591564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 64283, 128566, 192849, 257132, 321415, 385698, 449981, 642830, 771396, 899962, 964245, 1285660, 1349943, 1799924, 1928490, 2249905, 2699886, 3149867, 3856980, 4499810, 5399772, 6299734, 6749715, 8999620, 9449601, 12599468, 13499430, 15749335, 18899202, 26998860, 31498670, 37798404, 47248005, 62997340, 94496010, 188992020]

約数ペア:

[(1, 188992020), (2, 94496010), (3, 62997340), (4, 47248005), (5, 37798404), (6, 31498670), (7, 26998860), (10, 18899202), (12, 15749335), (14, 13499430), (15, 12599468), (20, 9449601), (21, 8999620), (28, 6749715), (30, 6299734), (35, 5399772), (42, 4499810), (49, 3856980), (60, 3149867), (70, 2699886), (84, 2249905), (98, 1928490), (105, 1799924), (140, 1349943), (147, 1285660), (196, 964245), (210, 899962), (245, 771396), (294, 642830), (420, 449981), (490, 385698), (588, 321415), (735, 257132), (980, 192849), (1470, 128566), (2940, 64283)]