221397900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{569}}^1\times {\mathrm{1297}}^1$

素因数の和:1883

約数の個数: 72

約数和(自身を含む): 642198480

約数和(自身を除く): 420800580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 569, 1138, 1297, 1707, 2276, 2594, 2845, 3414, 3891, 5188, 5690, 6485, 6828, 7782, 8535, 11380, 12970, 14225, 15564, 17070, 19455, 25940, 28450, 32425, 34140, 38910, 42675, 56900, 64850, 77820, 85350, 97275, 129700, 170700, 194550, 389100, 737993, 1475986, 2213979, 2951972, 3689965, 4427958, 7379930, 8855916, 11069895, 14759860, 18449825, 22139790, 36899650, 44279580, 55349475, 73799300, 110698950, 221397900]

約数ペア:

[(1, 221397900), (2, 110698950), (3, 73799300), (4, 55349475), (5, 44279580), (6, 36899650), (10, 22139790), (12, 18449825), (15, 14759860), (20, 11069895), (25, 8855916), (30, 7379930), (50, 4427958), (60, 3689965), (75, 2951972), (100, 2213979), (150, 1475986), (300, 737993), (569, 389100), (1138, 194550), (1297, 170700), (1707, 129700), (2276, 97275), (2594, 85350), (2845, 77820), (3414, 64850), (3891, 56900), (5188, 42675), (5690, 38910), (6485, 34140), (6828, 32425), (7782, 28450), (8535, 25940), (11380, 19455), (12970, 17070), (14225, 15564)]