128636900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1217}}^1$

素因数の和:1389

約数の個数: 72

約数和(自身を含む): 321396096

約数和(自身を除く): 192759196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 151, 175, 302, 350, 604, 700, 755, 1057, 1217, 1510, 2114, 2434, 3020, 3775, 4228, 4868, 5285, 6085, 7550, 8519, 10570, 12170, 15100, 17038, 21140, 24340, 26425, 30425, 34076, 42595, 52850, 60850, 85190, 105700, 121700, 170380, 183767, 212975, 367534, 425950, 735068, 851900, 918835, 1286369, 1837670, 2572738, 3675340, 4594175, 5145476, 6431845, 9188350, 12863690, 18376700, 25727380, 32159225, 64318450, 128636900]

約数ペア:

[(1, 128636900), (2, 64318450), (4, 32159225), (5, 25727380), (7, 18376700), (10, 12863690), (14, 9188350), (20, 6431845), (25, 5145476), (28, 4594175), (35, 3675340), (50, 2572738), (70, 1837670), (100, 1286369), (140, 918835), (151, 851900), (175, 735068), (302, 425950), (350, 367534), (604, 212975), (700, 183767), (755, 170380), (1057, 121700), (1217, 105700), (1510, 85190), (2114, 60850), (2434, 52850), (3020, 42595), (3775, 34076), (4228, 30425), (4868, 26425), (5285, 24340), (6085, 21140), (7550, 17038), (8519, 15100), (10570, 12170)]