99690220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1427}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 239904000

約数和(自身を除く): 140213780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1427, 1996, 2495, 2854, 3493, 4990, 5708, 6986, 7135, 9980, 9989, 13972, 14270, 17465, 19978, 28540, 34930, 39956, 49945, 69860, 99890, 199780, 712073, 1424146, 2848292, 3560365, 4984511, 7120730, 9969022, 14241460, 19938044, 24922555, 49845110, 99690220]

約数ペア:

[(1, 99690220), (2, 49845110), (4, 24922555), (5, 19938044), (7, 14241460), (10, 9969022), (14, 7120730), (20, 4984511), (28, 3560365), (35, 2848292), (70, 1424146), (140, 712073), (499, 199780), (998, 99890), (1427, 69860), (1996, 49945), (2495, 39956), (2854, 34930), (3493, 28540), (4990, 19978), (5708, 17465), (6986, 14270), (7135, 13972), (9980, 9989)]