12999700

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{379}}^1$

素因数の和:414

約数の個数: 72

約数和(自身を含む): 32984000

約数和(自身を除く): 19984300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 379, 490, 686, 700, 758, 980, 1225, 1372, 1516, 1715, 1895, 2450, 2653, 3430, 3790, 4900, 5306, 6860, 7580, 8575, 9475, 10612, 13265, 17150, 18571, 18950, 26530, 34300, 37142, 37900, 53060, 66325, 74284, 92855, 129997, 132650, 185710, 259994, 265300, 371420, 464275, 519988, 649985, 928550, 1299970, 1857100, 2599940, 3249925, 6499850, 12999700]

約数ペア:

[(1, 12999700), (2, 6499850), (4, 3249925), (5, 2599940), (7, 1857100), (10, 1299970), (14, 928550), (20, 649985), (25, 519988), (28, 464275), (35, 371420), (49, 265300), (50, 259994), (70, 185710), (98, 132650), (100, 129997), (140, 92855), (175, 74284), (196, 66325), (245, 53060), (343, 37900), (350, 37142), (379, 34300), (490, 26530), (686, 18950), (700, 18571), (758, 17150), (980, 13265), (1225, 10612), (1372, 9475), (1516, 8575), (1715, 7580), (1895, 6860), (2450, 5306), (2653, 4900), (3430, 3790)]