211837820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8689}}^1$

素因数の和:8774

約数の個数: 48

約数和(自身を含む): 473014080

約数和(自身を除く): 261176260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 212, 230, 265, 460, 530, 1060, 1219, 2438, 4876, 6095, 8689, 12190, 17378, 24380, 34756, 43445, 86890, 173780, 199847, 399694, 460517, 799388, 921034, 999235, 1842068, 1998470, 2302585, 3996940, 4605170, 9210340, 10591891, 21183782, 42367564, 52959455, 105918910, 211837820]

約数ペア:

[(1, 211837820), (2, 105918910), (4, 52959455), (5, 42367564), (10, 21183782), (20, 10591891), (23, 9210340), (46, 4605170), (53, 3996940), (92, 2302585), (106, 1998470), (115, 1842068), (212, 999235), (230, 921034), (265, 799388), (460, 460517), (530, 399694), (1060, 199847), (1219, 173780), (2438, 86890), (4876, 43445), (6095, 34756), (8689, 24380), (12190, 17378)]