210878000

素因数分解:

$2^4\times 5^3\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1207

約数の個数: 80

約数和(自身を含む): 515633664

約数和(自身を除く): 304755664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 125, 194, 200, 250, 388, 400, 485, 500, 776, 970, 1000, 1087, 1552, 1940, 2000, 2174, 2425, 3880, 4348, 4850, 5435, 7760, 8696, 9700, 10870, 12125, 17392, 19400, 21740, 24250, 27175, 38800, 43480, 48500, 54350, 86960, 97000, 105439, 108700, 135875, 194000, 210878, 217400, 271750, 421756, 434800, 527195, 543500, 843512, 1054390, 1087000, 1687024, 2108780, 2174000, 2635975, 4217560, 5271950, 8435120, 10543900, 13179875, 21087800, 26359750, 42175600, 52719500, 105439000, 210878000]

約数ペア:

[(1, 210878000), (2, 105439000), (4, 52719500), (5, 42175600), (8, 26359750), (10, 21087800), (16, 13179875), (20, 10543900), (25, 8435120), (40, 5271950), (50, 4217560), (80, 2635975), (97, 2174000), (100, 2108780), (125, 1687024), (194, 1087000), (200, 1054390), (250, 843512), (388, 543500), (400, 527195), (485, 434800), (500, 421756), (776, 271750), (970, 217400), (1000, 210878), (1087, 194000), (1552, 135875), (1940, 108700), (2000, 105439), (2174, 97000), (2425, 86960), (3880, 54350), (4348, 48500), (4850, 43480), (5435, 38800), (7760, 27175), (8696, 24250), (9700, 21740), (10870, 19400), (12125, 17392)]