1297100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 3437280

約数和(自身を除く): 2140180

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 109, 119, 140, 170, 175, 218, 238, 340, 350, 425, 436, 476, 545, 595, 700, 763, 850, 1090, 1190, 1526, 1700, 1853, 2180, 2380, 2725, 2975, 3052, 3706, 3815, 5450, 5950, 7412, 7630, 9265, 10900, 11900, 12971, 15260, 18530, 19075, 25942, 37060, 38150, 46325, 51884, 64855, 76300, 92650, 129710, 185300, 259420, 324275, 648550, 1297100]

約数ペア:

[(1, 1297100), (2, 648550), (4, 324275), (5, 259420), (7, 185300), (10, 129710), (14, 92650), (17, 76300), (20, 64855), (25, 51884), (28, 46325), (34, 38150), (35, 37060), (50, 25942), (68, 19075), (70, 18530), (85, 15260), (100, 12971), (109, 11900), (119, 10900), (140, 9265), (170, 7630), (175, 7412), (218, 5950), (238, 5450), (340, 3815), (350, 3706), (425, 3052), (436, 2975), (476, 2725), (545, 2380), (595, 2180), (700, 1853), (763, 1700), (850, 1526), (1090, 1190)]