77838021220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2473}}^1\times {\mathrm{36599}}^1$

素因数の和:39124

約数の個数: 48

約数和(自身を含む): 167333443200

約数和(自身を除く): 89495421980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2473, 4946, 9892, 12365, 24730, 36599, 49460, 73198, 106339, 146396, 182995, 212678, 365990, 425356, 531695, 731980, 1063390, 1573757, 2126780, 3147514, 6295028, 7868785, 15737570, 31475140, 90509327, 181018654, 362037308, 452546635, 905093270, 1810186540, 3891901061, 7783802122, 15567604244, 19459505305, 38919010610, 77838021220]

約数ペア:

[(1, 77838021220), (2, 38919010610), (4, 19459505305), (5, 15567604244), (10, 7783802122), (20, 3891901061), (43, 1810186540), (86, 905093270), (172, 452546635), (215, 362037308), (430, 181018654), (860, 90509327), (2473, 31475140), (4946, 15737570), (9892, 7868785), (12365, 6295028), (24730, 3147514), (36599, 2126780), (49460, 1573757), (73198, 1063390), (106339, 731980), (146396, 531695), (182995, 425356), (212678, 365990)]