78535000

素因数分解:

$2^3\times 5^4\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 186971400

約数和(自身を除く): 108436400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 125, 139, 200, 226, 250, 278, 452, 500, 556, 565, 625, 695, 904, 1000, 1112, 1130, 1250, 1390, 2260, 2500, 2780, 2825, 3475, 4520, 5000, 5560, 5650, 6950, 11300, 13900, 14125, 15707, 17375, 22600, 27800, 28250, 31414, 34750, 56500, 62828, 69500, 70625, 78535, 86875, 113000, 125656, 139000, 141250, 157070, 173750, 282500, 314140, 347500, 392675, 565000, 628280, 695000, 785350, 1570700, 1963375, 3141400, 3926750, 7853500, 9816875, 15707000, 19633750, 39267500, 78535000]

約数ペア:

[(1, 78535000), (2, 39267500), (4, 19633750), (5, 15707000), (8, 9816875), (10, 7853500), (20, 3926750), (25, 3141400), (40, 1963375), (50, 1570700), (100, 785350), (113, 695000), (125, 628280), (139, 565000), (200, 392675), (226, 347500), (250, 314140), (278, 282500), (452, 173750), (500, 157070), (556, 141250), (565, 139000), (625, 125656), (695, 113000), (904, 86875), (1000, 78535), (1112, 70625), (1130, 69500), (1250, 62828), (1390, 56500), (2260, 34750), (2500, 31414), (2780, 28250), (2825, 27800), (3475, 22600), (4520, 17375), (5000, 15707), (5560, 14125), (5650, 13900), (6950, 11300)]