78671180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18127}}^1$

素因数の和:18174

約数の個数: 48

約数和(自身を含む): 194912256

約数和(自身を除く): 116241076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 18127, 36254, 72508, 90635, 126889, 181270, 253778, 362540, 507556, 561937, 634445, 1123874, 1268890, 2247748, 2537780, 2809685, 3933559, 5619370, 7867118, 11238740, 15734236, 19667795, 39335590, 78671180]

約数ペア:

[(1, 78671180), (2, 39335590), (4, 19667795), (5, 15734236), (7, 11238740), (10, 7867118), (14, 5619370), (20, 3933559), (28, 2809685), (31, 2537780), (35, 2247748), (62, 1268890), (70, 1123874), (124, 634445), (140, 561937), (155, 507556), (217, 362540), (310, 253778), (434, 181270), (620, 126889), (868, 90635), (1085, 72508), (2170, 36254), (4340, 18127)]