2232500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 60

約数和(自身を含む): 5248320

約数和(自身を除く): 3015820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 125, 188, 190, 235, 250, 380, 470, 475, 500, 625, 893, 940, 950, 1175, 1250, 1786, 1900, 2350, 2375, 2500, 3572, 4465, 4700, 4750, 5875, 8930, 9500, 11750, 11875, 17860, 22325, 23500, 23750, 29375, 44650, 47500, 58750, 89300, 111625, 117500, 223250, 446500, 558125, 1116250, 2232500]

約数ペア:

[(1, 2232500), (2, 1116250), (4, 558125), (5, 446500), (10, 223250), (19, 117500), (20, 111625), (25, 89300), (38, 58750), (47, 47500), (50, 44650), (76, 29375), (94, 23750), (95, 23500), (100, 22325), (125, 17860), (188, 11875), (190, 11750), (235, 9500), (250, 8930), (380, 5875), (470, 4750), (475, 4700), (500, 4465), (625, 3572), (893, 2500), (940, 2375), (950, 2350), (1175, 1900), (1250, 1786)]