18008200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 50443200

約数和(自身を除く): 32435000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 95, 100, 133, 140, 152, 175, 190, 200, 266, 280, 350, 380, 475, 532, 665, 677, 700, 760, 950, 1064, 1330, 1354, 1400, 1900, 2660, 2708, 3325, 3385, 3800, 4739, 5320, 5416, 6650, 6770, 9478, 12863, 13300, 13540, 16925, 18956, 23695, 25726, 26600, 27080, 33850, 37912, 47390, 51452, 64315, 67700, 90041, 94780, 102904, 118475, 128630, 135400, 180082, 189560, 236950, 257260, 321575, 360164, 450205, 473900, 514520, 643150, 720328, 900410, 947800, 1286300, 1800820, 2251025, 2572600, 3601640, 4502050, 9004100, 18008200]

約数ペア:

[(1, 18008200), (2, 9004100), (4, 4502050), (5, 3601640), (7, 2572600), (8, 2251025), (10, 1800820), (14, 1286300), (19, 947800), (20, 900410), (25, 720328), (28, 643150), (35, 514520), (38, 473900), (40, 450205), (50, 360164), (56, 321575), (70, 257260), (76, 236950), (95, 189560), (100, 180082), (133, 135400), (140, 128630), (152, 118475), (175, 102904), (190, 94780), (200, 90041), (266, 67700), (280, 64315), (350, 51452), (380, 47390), (475, 37912), (532, 33850), (665, 27080), (677, 26600), (700, 25726), (760, 23695), (950, 18956), (1064, 16925), (1330, 13540), (1354, 13300), (1400, 12863), (1900, 9478), (2660, 6770), (2708, 6650), (3325, 5416), (3385, 5320), (3800, 4739)]