199773440

素因数分解:

$2^8\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1609}}^1$

素因数の和:1727

約数の個数: 72

約数和(自身を含む): 483753480

約数和(自身を除く): 283980040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 485, 640, 776, 970, 1280, 1552, 1609, 1940, 3104, 3218, 3880, 6208, 6436, 7760, 8045, 12416, 12872, 15520, 16090, 24832, 25744, 31040, 32180, 51488, 62080, 64360, 102976, 124160, 128720, 156073, 205952, 257440, 312146, 411904, 514880, 624292, 780365, 1029760, 1248584, 1560730, 2059520, 2497168, 3121460, 4994336, 6242920, 9988672, 12485840, 19977344, 24971680, 39954688, 49943360, 99886720, 199773440]

約数ペア:

[(1, 199773440), (2, 99886720), (4, 49943360), (5, 39954688), (8, 24971680), (10, 19977344), (16, 12485840), (20, 9988672), (32, 6242920), (40, 4994336), (64, 3121460), (80, 2497168), (97, 2059520), (128, 1560730), (160, 1248584), (194, 1029760), (256, 780365), (320, 624292), (388, 514880), (485, 411904), (640, 312146), (776, 257440), (970, 205952), (1280, 156073), (1552, 128720), (1609, 124160), (1940, 102976), (3104, 64360), (3218, 62080), (3880, 51488), (6208, 32180), (6436, 31040), (7760, 25744), (8045, 24832), (12416, 16090), (12872, 15520)]