31414000

素因数分解:

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

素因数の和:275

約数の個数: 80

約数和(自身を含む): 77182560

約数和(自身を除く): 45768560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 113, 125, 139, 200, 226, 250, 278, 400, 452, 500, 556, 565, 695, 904, 1000, 1112, 1130, 1390, 1808, 2000, 2224, 2260, 2780, 2825, 3475, 4520, 5560, 5650, 6950, 9040, 11120, 11300, 13900, 14125, 15707, 17375, 22600, 27800, 28250, 31414, 34750, 45200, 55600, 56500, 62828, 69500, 78535, 113000, 125656, 139000, 157070, 226000, 251312, 278000, 314140, 392675, 628280, 785350, 1256560, 1570700, 1963375, 3141400, 3926750, 6282800, 7853500, 15707000, 31414000]

約数ペア:

[(1, 31414000), (2, 15707000), (4, 7853500), (5, 6282800), (8, 3926750), (10, 3141400), (16, 1963375), (20, 1570700), (25, 1256560), (40, 785350), (50, 628280), (80, 392675), (100, 314140), (113, 278000), (125, 251312), (139, 226000), (200, 157070), (226, 139000), (250, 125656), (278, 113000), (400, 78535), (452, 69500), (500, 62828), (556, 56500), (565, 55600), (695, 45200), (904, 34750), (1000, 31414), (1112, 28250), (1130, 27800), (1390, 22600), (1808, 17375), (2000, 15707), (2224, 14125), (2260, 13900), (2780, 11300), (2825, 11120), (3475, 9040), (4520, 6950), (5560, 5650)]