31919800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1319}}^1$

素因数の和:1357

約数の個数: 72

約数和(自身を含む): 81635400

約数和(自身を除く): 49715600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 968, 1100, 1210, 1319, 2200, 2420, 2638, 3025, 4840, 5276, 6050, 6595, 10552, 12100, 13190, 14509, 24200, 26380, 29018, 32975, 52760, 58036, 65950, 72545, 116072, 131900, 145090, 159599, 263800, 290180, 319198, 362725, 580360, 638396, 725450, 797995, 1276792, 1450900, 1595990, 2901800, 3191980, 3989975, 6383960, 7979950, 15959900, 31919800]

約数ペア:

[(1, 31919800), (2, 15959900), (4, 7979950), (5, 6383960), (8, 3989975), (10, 3191980), (11, 2901800), (20, 1595990), (22, 1450900), (25, 1276792), (40, 797995), (44, 725450), (50, 638396), (55, 580360), (88, 362725), (100, 319198), (110, 290180), (121, 263800), (200, 159599), (220, 145090), (242, 131900), (275, 116072), (440, 72545), (484, 65950), (550, 58036), (605, 52760), (968, 32975), (1100, 29018), (1210, 26380), (1319, 24200), (2200, 14509), (2420, 13190), (2638, 12100), (3025, 10552), (4840, 6595), (5276, 6050)]