221754700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{919}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 511078400

約数和(自身を除く): 289323700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 127, 190, 254, 380, 475, 508, 635, 919, 950, 1270, 1838, 1900, 2413, 2540, 3175, 3676, 4595, 4826, 6350, 9190, 9652, 12065, 12700, 17461, 18380, 22975, 24130, 34922, 45950, 48260, 60325, 69844, 87305, 91900, 116713, 120650, 174610, 233426, 241300, 349220, 436525, 466852, 583565, 873050, 1167130, 1746100, 2217547, 2334260, 2917825, 4435094, 5835650, 8870188, 11087735, 11671300, 22175470, 44350940, 55438675, 110877350, 221754700]

約数ペア:

[(1, 221754700), (2, 110877350), (4, 55438675), (5, 44350940), (10, 22175470), (19, 11671300), (20, 11087735), (25, 8870188), (38, 5835650), (50, 4435094), (76, 2917825), (95, 2334260), (100, 2217547), (127, 1746100), (190, 1167130), (254, 873050), (380, 583565), (475, 466852), (508, 436525), (635, 349220), (919, 241300), (950, 233426), (1270, 174610), (1838, 120650), (1900, 116713), (2413, 91900), (2540, 87305), (3175, 69844), (3676, 60325), (4595, 48260), (4826, 45950), (6350, 34922), (9190, 24130), (9652, 22975), (12065, 18380), (12700, 17461)]