131312300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1721}}^1$

素因数の和:1851

約数の個数: 72

約数和(自身を含む): 328833120

約数和(自身を除く): 197520820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 109, 140, 175, 218, 350, 436, 545, 700, 763, 1090, 1526, 1721, 2180, 2725, 3052, 3442, 3815, 5450, 6884, 7630, 8605, 10900, 12047, 15260, 17210, 19075, 24094, 34420, 38150, 43025, 48188, 60235, 76300, 86050, 120470, 172100, 187589, 240940, 301175, 375178, 602350, 750356, 937945, 1204700, 1313123, 1875890, 2626246, 3751780, 4689725, 5252492, 6565615, 9379450, 13131230, 18758900, 26262460, 32828075, 65656150, 131312300]

約数ペア:

[(1, 131312300), (2, 65656150), (4, 32828075), (5, 26262460), (7, 18758900), (10, 13131230), (14, 9379450), (20, 6565615), (25, 5252492), (28, 4689725), (35, 3751780), (50, 2626246), (70, 1875890), (100, 1313123), (109, 1204700), (140, 937945), (175, 750356), (218, 602350), (350, 375178), (436, 301175), (545, 240940), (700, 187589), (763, 172100), (1090, 120470), (1526, 86050), (1721, 76300), (2180, 60235), (2725, 48188), (3052, 43025), (3442, 38150), (3815, 34420), (5450, 24094), (6884, 19075), (7630, 17210), (8605, 15260), (10900, 12047)]