396920120

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{102299}}^1$

素因数の和:102407

約数の個数: 32

約数和(自身を含む): 902286000

約数和(自身を除く): 505365880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 102299, 204598, 409196, 511495, 818392, 1022990, 2045980, 4091960, 9923003, 19846006, 39692012, 49615015, 79384024, 99230030, 198460060, 396920120]

約数ペア:

[(1, 396920120), (2, 198460060), (4, 99230030), (5, 79384024), (8, 49615015), (10, 39692012), (20, 19846006), (40, 9923003), (97, 4091960), (194, 2045980), (388, 1022990), (485, 818392), (776, 511495), (970, 409196), (1940, 204598), (3880, 102299)]