81430719700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{443281}}^1$

素因数の和:443473

約数の個数: 72

約数和(自身を含む): 193923463104

約数和(自身を除く): 112492743404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 167, 220, 275, 334, 550, 668, 835, 1100, 1670, 1837, 3340, 3674, 4175, 7348, 8350, 9185, 16700, 18370, 36740, 45925, 91850, 183700, 443281, 886562, 1773124, 2216405, 4432810, 4876091, 8865620, 9752182, 11082025, 19504364, 22164050, 24380455, 44328100, 48760910, 74027927, 97521820, 121902275, 148055854, 243804550, 296111708, 370139635, 487609100, 740279270, 814307197, 1480558540, 1628614394, 1850698175, 3257228788, 3701396350, 4071535985, 7402792700, 8143071970, 16286143940, 20357679925, 40715359850, 81430719700]

約数ペア:

[(1, 81430719700), (2, 40715359850), (4, 20357679925), (5, 16286143940), (10, 8143071970), (11, 7402792700), (20, 4071535985), (22, 3701396350), (25, 3257228788), (44, 1850698175), (50, 1628614394), (55, 1480558540), (100, 814307197), (110, 740279270), (167, 487609100), (220, 370139635), (275, 296111708), (334, 243804550), (550, 148055854), (668, 121902275), (835, 97521820), (1100, 74027927), (1670, 48760910), (1837, 44328100), (3340, 24380455), (3674, 22164050), (4175, 19504364), (7348, 11082025), (8350, 9752182), (9185, 8865620), (16700, 4876091), (18370, 4432810), (36740, 2216405), (45925, 1773124), (91850, 886562), (183700, 443281)]