2991500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 6779136

約数和(自身を除く): 3787636

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 193, 250, 310, 386, 500, 620, 772, 775, 965, 1550, 1930, 3100, 3860, 3875, 4825, 5983, 7750, 9650, 11966, 15500, 19300, 23932, 24125, 29915, 48250, 59830, 96500, 119660, 149575, 299150, 598300, 747875, 1495750, 2991500]

約数ペア:

[(1, 2991500), (2, 1495750), (4, 747875), (5, 598300), (10, 299150), (20, 149575), (25, 119660), (31, 96500), (50, 59830), (62, 48250), (100, 29915), (124, 24125), (125, 23932), (155, 19300), (193, 15500), (250, 11966), (310, 9650), (386, 7750), (500, 5983), (620, 4825), (772, 3875), (775, 3860), (965, 3100), (1550, 1930)]