201988000

素因数分解:

$2^5\times 5^3\times {\mathrm{50497}}^1$

素因数の和:50522

約数の個数: 48

約数和(自身を含む): 496294344

約数和(自身を除く): 294306344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 50497, 100994, 201988, 252485, 403976, 504970, 807952, 1009940, 1262425, 1615904, 2019880, 2524850, 4039760, 5049700, 6312125, 8079520, 10099400, 12624250, 20198800, 25248500, 40397600, 50497000, 100994000, 201988000]

約数ペア:

[(1, 201988000), (2, 100994000), (4, 50497000), (5, 40397600), (8, 25248500), (10, 20198800), (16, 12624250), (20, 10099400), (25, 8079520), (32, 6312125), (40, 5049700), (50, 4039760), (80, 2524850), (100, 2019880), (125, 1615904), (160, 1262425), (200, 1009940), (250, 807952), (400, 504970), (500, 403976), (800, 252485), (1000, 201988), (2000, 100994), (4000, 50497)]