83899480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2749}}^1$

素因数の和:2876

約数の個数: 64

約数和(自身を含む): 217800000

約数和(自身を除く): 133900520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 2749, 3052, 3815, 4360, 5498, 6104, 7630, 10996, 13745, 15260, 19243, 21992, 27490, 30520, 38486, 54980, 76972, 96215, 109960, 153944, 192430, 299641, 384860, 599282, 769720, 1198564, 1498205, 2097487, 2397128, 2996410, 4194974, 5992820, 8389948, 10487435, 11985640, 16779896, 20974870, 41949740, 83899480]

約数ペア:

[(1, 83899480), (2, 41949740), (4, 20974870), (5, 16779896), (7, 11985640), (8, 10487435), (10, 8389948), (14, 5992820), (20, 4194974), (28, 2996410), (35, 2397128), (40, 2097487), (56, 1498205), (70, 1198564), (109, 769720), (140, 599282), (218, 384860), (280, 299641), (436, 192430), (545, 153944), (763, 109960), (872, 96215), (1090, 76972), (1526, 54980), (2180, 38486), (2749, 30520), (3052, 27490), (3815, 21992), (4360, 19243), (5498, 15260), (6104, 13745), (7630, 10996)]