16664900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:226

約数の個数: 108

約数和(自身を含む): 44528400

約数和(自身を除く): 27863500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 133, 140, 175, 179, 190, 196, 245, 266, 350, 358, 380, 475, 490, 532, 665, 700, 716, 895, 931, 950, 980, 1225, 1253, 1330, 1790, 1862, 1900, 2450, 2506, 2660, 3325, 3401, 3580, 3724, 4475, 4655, 4900, 5012, 6265, 6650, 6802, 8771, 8950, 9310, 12530, 13300, 13604, 17005, 17542, 17900, 18620, 23275, 23807, 25060, 31325, 34010, 35084, 43855, 46550, 47614, 62650, 68020, 85025, 87710, 93100, 95228, 119035, 125300, 166649, 170050, 175420, 219275, 238070, 333298, 340100, 438550, 476140, 595175, 666596, 833245, 877100, 1190350, 1666490, 2380700, 3332980, 4166225, 8332450, 16664900]

約数ペア:

[(1, 16664900), (2, 8332450), (4, 4166225), (5, 3332980), (7, 2380700), (10, 1666490), (14, 1190350), (19, 877100), (20, 833245), (25, 666596), (28, 595175), (35, 476140), (38, 438550), (49, 340100), (50, 333298), (70, 238070), (76, 219275), (95, 175420), (98, 170050), (100, 166649), (133, 125300), (140, 119035), (175, 95228), (179, 93100), (190, 87710), (196, 85025), (245, 68020), (266, 62650), (350, 47614), (358, 46550), (380, 43855), (475, 35084), (490, 34010), (532, 31325), (665, 25060), (700, 23807), (716, 23275), (895, 18620), (931, 17900), (950, 17542), (980, 17005), (1225, 13604), (1253, 13300), (1330, 12530), (1790, 9310), (1862, 8950), (1900, 8771), (2450, 6802), (2506, 6650), (2660, 6265), (3325, 5012), (3401, 4900), (3580, 4655), (3724, 4475)]