211406680

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{14401}}^1$

素因数の和:14779

約数の個数: 32

約数和(自身を含む): 476994240

約数和(自身を除く): 265587560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 7340, 14401, 14680, 28802, 57604, 72005, 115208, 144010, 288020, 576040, 5285167, 10570334, 21140668, 26425835, 42281336, 52851670, 105703340, 211406680]

約数ペア:

[(1, 211406680), (2, 105703340), (4, 52851670), (5, 42281336), (8, 26425835), (10, 21140668), (20, 10570334), (40, 5285167), (367, 576040), (734, 288020), (1468, 144010), (1835, 115208), (2936, 72005), (3670, 57604), (7340, 28802), (14401, 14680)]