130847780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1873}}^1$

素因数の和:2388

約数の個数: 48

約数和(自身を含む): 314832000

約数和(自身を除く): 183984220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1873, 1996, 2495, 3493, 3746, 4990, 6986, 7492, 9365, 9980, 13111, 13972, 17465, 18730, 26222, 34930, 37460, 52444, 65555, 69860, 131110, 262220, 934627, 1869254, 3738508, 4673135, 6542389, 9346270, 13084778, 18692540, 26169556, 32711945, 65423890, 130847780]

約数ペア:

[(1, 130847780), (2, 65423890), (4, 32711945), (5, 26169556), (7, 18692540), (10, 13084778), (14, 9346270), (20, 6542389), (28, 4673135), (35, 3738508), (70, 1869254), (140, 934627), (499, 262220), (998, 131110), (1873, 69860), (1996, 65555), (2495, 52444), (3493, 37460), (3746, 34930), (4990, 26222), (6986, 18730), (7492, 17465), (9365, 13972), (9980, 13111)]