211550820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:742

約数の個数: 144

約数和(自身を含む): 663086592

約数和(自身を除く): 451535772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 620, 673, 676, 780, 806, 845, 930, 1014, 1209, 1346, 1612, 1690, 1860, 2015, 2019, 2028, 2418, 2535, 2692, 3365, 3380, 4030, 4038, 4836, 5070, 5239, 6045, 6730, 8060, 8076, 8749, 10095, 10140, 10478, 12090, 13460, 15717, 17498, 20190, 20863, 20956, 24180, 26195, 26247, 31434, 34996, 40380, 41726, 43745, 52390, 52494, 62589, 62868, 78585, 83452, 87490, 104315, 104780, 104988, 113737, 125178, 131235, 157170, 174980, 208630, 227474, 250356, 262470, 271219, 312945, 314340, 341211, 417260, 454948, 524940, 542438, 568685, 625890, 682422, 813657, 1084876, 1137370, 1251780, 1356095, 1364844, 1627314, 1706055, 2274740, 2712190, 3254628, 3412110, 3525847, 4068285, 5424380, 6824220, 7051694, 8136570, 10577541, 14103388, 16273140, 17629235, 21155082, 35258470, 42310164, 52887705, 70516940, 105775410, 211550820]

約数ペア:

[(1, 211550820), (2, 105775410), (3, 70516940), (4, 52887705), (5, 42310164), (6, 35258470), (10, 21155082), (12, 17629235), (13, 16273140), (15, 14103388), (20, 10577541), (26, 8136570), (30, 7051694), (31, 6824220), (39, 5424380), (52, 4068285), (60, 3525847), (62, 3412110), (65, 3254628), (78, 2712190), (93, 2274740), (124, 1706055), (130, 1627314), (155, 1364844), (156, 1356095), (169, 1251780), (186, 1137370), (195, 1084876), (260, 813657), (310, 682422), (338, 625890), (372, 568685), (390, 542438), (403, 524940), (465, 454948), (507, 417260), (620, 341211), (673, 314340), (676, 312945), (780, 271219), (806, 262470), (845, 250356), (930, 227474), (1014, 208630), (1209, 174980), (1346, 157170), (1612, 131235), (1690, 125178), (1860, 113737), (2015, 104988), (2019, 104780), (2028, 104315), (2418, 87490), (2535, 83452), (2692, 78585), (3365, 62868), (3380, 62589), (4030, 52494), (4038, 52390), (4836, 43745), (5070, 41726), (5239, 40380), (6045, 34996), (6730, 31434), (8060, 26247), (8076, 26195), (8749, 24180), (10095, 20956), (10140, 20863), (10478, 20190), (12090, 17498), (13460, 15717)]