31213400

素因数分解:

$2^3\times 5^2\times {\mathrm{239}}^1\times {\mathrm{653}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 72986400

約数和(自身を除く): 41773000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 239, 478, 653, 956, 1195, 1306, 1912, 2390, 2612, 3265, 4780, 5224, 5975, 6530, 9560, 11950, 13060, 16325, 23900, 26120, 32650, 47800, 65300, 130600, 156067, 312134, 624268, 780335, 1248536, 1560670, 3121340, 3901675, 6242680, 7803350, 15606700, 31213400]

約数ペア:

[(1, 31213400), (2, 15606700), (4, 7803350), (5, 6242680), (8, 3901675), (10, 3121340), (20, 1560670), (25, 1248536), (40, 780335), (50, 624268), (100, 312134), (200, 156067), (239, 130600), (478, 65300), (653, 47800), (956, 32650), (1195, 26120), (1306, 23900), (1912, 16325), (2390, 13060), (2612, 11950), (3265, 9560), (4780, 6530), (5224, 5975)]