2890600

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 6835500

約数和(自身を除く): 3944900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 149, 194, 200, 298, 388, 485, 596, 745, 776, 970, 1192, 1490, 1940, 2425, 2980, 3725, 3880, 4850, 5960, 7450, 9700, 14453, 14900, 19400, 28906, 29800, 57812, 72265, 115624, 144530, 289060, 361325, 578120, 722650, 1445300, 2890600]

約数ペア:

[(1, 2890600), (2, 1445300), (4, 722650), (5, 578120), (8, 361325), (10, 289060), (20, 144530), (25, 115624), (40, 72265), (50, 57812), (97, 29800), (100, 28906), (149, 19400), (194, 14900), (200, 14453), (298, 9700), (388, 7450), (485, 5960), (596, 4850), (745, 3880), (776, 3725), (970, 2980), (1192, 2425), (1490, 1940)]