19710400

素因数分解:

$2^6\times 5^2\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 84

約数和(自身を含む): 49385728

約数和(自身を除く): 29675328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 127, 160, 194, 200, 254, 320, 388, 400, 485, 508, 635, 776, 800, 970, 1016, 1270, 1552, 1600, 1940, 2032, 2425, 2540, 3104, 3175, 3880, 4064, 4850, 5080, 6208, 6350, 7760, 8128, 9700, 10160, 12319, 12700, 15520, 19400, 20320, 24638, 25400, 31040, 38800, 40640, 49276, 50800, 61595, 77600, 98552, 101600, 123190, 155200, 197104, 203200, 246380, 307975, 394208, 492760, 615950, 788416, 985520, 1231900, 1971040, 2463800, 3942080, 4927600, 9855200, 19710400]

約数ペア:

[(1, 19710400), (2, 9855200), (4, 4927600), (5, 3942080), (8, 2463800), (10, 1971040), (16, 1231900), (20, 985520), (25, 788416), (32, 615950), (40, 492760), (50, 394208), (64, 307975), (80, 246380), (97, 203200), (100, 197104), (127, 155200), (160, 123190), (194, 101600), (200, 98552), (254, 77600), (320, 61595), (388, 50800), (400, 49276), (485, 40640), (508, 38800), (635, 31040), (776, 25400), (800, 24638), (970, 20320), (1016, 19400), (1270, 15520), (1552, 12700), (1600, 12319), (1940, 10160), (2032, 9700), (2425, 8128), (2540, 7760), (3104, 6350), (3175, 6208), (3880, 5080), (4064, 4850)]