817386020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{38303}}^1$

素因数の和:38420

約数の個数: 48

約数和(自身を含む): 1891911168

約数和(自身を除く): 1074525148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 10670, 21340, 38303, 76606, 153212, 191515, 383030, 421333, 766060, 842666, 1685332, 2106665, 3715391, 4213330, 7430782, 8426660, 14861564, 18576955, 37153910, 40869301, 74307820, 81738602, 163477204, 204346505, 408693010, 817386020]

約数ペア:

[(1, 817386020), (2, 408693010), (4, 204346505), (5, 163477204), (10, 81738602), (11, 74307820), (20, 40869301), (22, 37153910), (44, 18576955), (55, 14861564), (97, 8426660), (110, 7430782), (194, 4213330), (220, 3715391), (388, 2106665), (485, 1685332), (970, 842666), (1067, 766060), (1940, 421333), (2134, 383030), (4268, 191515), (5335, 153212), (10670, 76606), (21340, 38303)]