12982760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 33696000

約数和(自身を除く): 20713240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 233, 280, 398, 466, 796, 932, 995, 1165, 1393, 1592, 1631, 1864, 1990, 2330, 2786, 3262, 3980, 4660, 5572, 6524, 6965, 7960, 8155, 9320, 11144, 13048, 13930, 16310, 27860, 32620, 46367, 55720, 65240, 92734, 185468, 231835, 324569, 370936, 463670, 649138, 927340, 1298276, 1622845, 1854680, 2596552, 3245690, 6491380, 12982760]

約数ペア:

[(1, 12982760), (2, 6491380), (4, 3245690), (5, 2596552), (7, 1854680), (8, 1622845), (10, 1298276), (14, 927340), (20, 649138), (28, 463670), (35, 370936), (40, 324569), (56, 231835), (70, 185468), (140, 92734), (199, 65240), (233, 55720), (280, 46367), (398, 32620), (466, 27860), (796, 16310), (932, 13930), (995, 13048), (1165, 11144), (1393, 9320), (1592, 8155), (1631, 7960), (1864, 6965), (1990, 6524), (2330, 5572), (2786, 4660), (3262, 3980)]