78848420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5167}}^1$

素因数の和:5292

約数の個数: 48

約数和(自身を含む): 191009280

約数和(自身を除く): 112160860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 5167, 7630, 10334, 15260, 20668, 25835, 36169, 51670, 72338, 103340, 144676, 180845, 361690, 563203, 723380, 1126406, 2252812, 2816015, 3942421, 5632030, 7884842, 11264060, 15769684, 19712105, 39424210, 78848420]

約数ペア:

[(1, 78848420), (2, 39424210), (4, 19712105), (5, 15769684), (7, 11264060), (10, 7884842), (14, 5632030), (20, 3942421), (28, 2816015), (35, 2252812), (70, 1126406), (109, 723380), (140, 563203), (218, 361690), (436, 180845), (545, 144676), (763, 103340), (1090, 72338), (1526, 51670), (2180, 36169), (3052, 25835), (3815, 20668), (5167, 15260), (7630, 10334)]