397138900

素因数分解:

$2^2\times 5^2\times {\mathrm{479}}^1\times {\mathrm{8291}}^1$

素因数の和:8784

約数の個数: 36

約数和(自身を含む): 863694720

約数和(自身を除く): 466555820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 479, 958, 1916, 2395, 4790, 8291, 9580, 11975, 16582, 23950, 33164, 41455, 47900, 82910, 165820, 207275, 414550, 829100, 3971389, 7942778, 15885556, 19856945, 39713890, 79427780, 99284725, 198569450, 397138900]

約数ペア:

[(1, 397138900), (2, 198569450), (4, 99284725), (5, 79427780), (10, 39713890), (20, 19856945), (25, 15885556), (50, 7942778), (100, 3971389), (479, 829100), (958, 414550), (1916, 207275), (2395, 165820), (4790, 82910), (8291, 47900), (9580, 41455), (11975, 33164), (16582, 23950)]