89270000

素因数分解:

$2^4\times 5^4\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 100

約数和(自身を含む): 220804320

約数和(自身を除く): 131534320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 113, 125, 158, 200, 226, 250, 316, 395, 400, 452, 500, 565, 625, 632, 790, 904, 1000, 1130, 1250, 1264, 1580, 1808, 1975, 2000, 2260, 2500, 2825, 3160, 3950, 4520, 5000, 5650, 6320, 7900, 8927, 9040, 9875, 10000, 11300, 14125, 15800, 17854, 19750, 22600, 28250, 31600, 35708, 39500, 44635, 45200, 49375, 56500, 70625, 71416, 79000, 89270, 98750, 113000, 141250, 142832, 158000, 178540, 197500, 223175, 226000, 282500, 357080, 395000, 446350, 565000, 714160, 790000, 892700, 1115875, 1130000, 1785400, 2231750, 3570800, 4463500, 5579375, 8927000, 11158750, 17854000, 22317500, 44635000, 89270000]

約数ペア:

[(1, 89270000), (2, 44635000), (4, 22317500), (5, 17854000), (8, 11158750), (10, 8927000), (16, 5579375), (20, 4463500), (25, 3570800), (40, 2231750), (50, 1785400), (79, 1130000), (80, 1115875), (100, 892700), (113, 790000), (125, 714160), (158, 565000), (200, 446350), (226, 395000), (250, 357080), (316, 282500), (395, 226000), (400, 223175), (452, 197500), (500, 178540), (565, 158000), (625, 142832), (632, 141250), (790, 113000), (904, 98750), (1000, 89270), (1130, 79000), (1250, 71416), (1264, 70625), (1580, 56500), (1808, 49375), (1975, 45200), (2000, 44635), (2260, 39500), (2500, 35708), (2825, 31600), (3160, 28250), (3950, 22600), (4520, 19750), (5000, 17854), (5650, 15800), (6320, 14125), (7900, 11300), (8927, 10000), (9040, 9875)]