217646120

素因数分解:

$2^3\times 5^1\times {\mathrm{929}}^1\times {\mathrm{5857}}^1$

素因数の和:6797

約数の個数: 32

約数和(自身を含む): 490314600

約数和(自身を除く): 272668480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 929, 1858, 3716, 4645, 5857, 7432, 9290, 11714, 18580, 23428, 29285, 37160, 46856, 58570, 117140, 234280, 5441153, 10882306, 21764612, 27205765, 43529224, 54411530, 108823060, 217646120]

約数ペア:

[(1, 217646120), (2, 108823060), (4, 54411530), (5, 43529224), (8, 27205765), (10, 21764612), (20, 10882306), (40, 5441153), (929, 234280), (1858, 117140), (3716, 58570), (4645, 46856), (5857, 37160), (7432, 29285), (9290, 23428), (11714, 18580)]