90345400

素因数分解:

$2^3\times 5^2\times {\mathrm{557}}^1\times {\mathrm{811}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 210689640

約数和(自身を除く): 120344240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 557, 811, 1114, 1622, 2228, 2785, 3244, 4055, 4456, 5570, 6488, 8110, 11140, 13925, 16220, 20275, 22280, 27850, 32440, 40550, 55700, 81100, 111400, 162200, 451727, 903454, 1806908, 2258635, 3613816, 4517270, 9034540, 11293175, 18069080, 22586350, 45172700, 90345400]

約数ペア:

[(1, 90345400), (2, 45172700), (4, 22586350), (5, 18069080), (8, 11293175), (10, 9034540), (20, 4517270), (25, 3613816), (40, 2258635), (50, 1806908), (100, 903454), (200, 451727), (557, 162200), (811, 111400), (1114, 81100), (1622, 55700), (2228, 40550), (2785, 32440), (3244, 27850), (4055, 22280), (4456, 20275), (5570, 16220), (6488, 13925), (8110, 11140)]