2021515090

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{5407}}^1$

素因数の和:5544

約数の個数: 64

約数和(自身を含む): 4283136000

約数和(自身を除く): 2261620910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 343, 490, 545, 686, 763, 1090, 1526, 1715, 3430, 3815, 5341, 5407, 7630, 10682, 10814, 26705, 27035, 37387, 37849, 53410, 54070, 74774, 75698, 186935, 189245, 264943, 373870, 378490, 529886, 589363, 1178726, 1324715, 1854601, 2649430, 2946815, 3709202, 4125541, 5893630, 8251082, 9273005, 18546010, 20627705, 28878787, 41255410, 57757574, 144393935, 202151509, 288787870, 404303018, 1010757545, 2021515090]

約数ペア:

[(1, 2021515090), (2, 1010757545), (5, 404303018), (7, 288787870), (10, 202151509), (14, 144393935), (35, 57757574), (49, 41255410), (70, 28878787), (98, 20627705), (109, 18546010), (218, 9273005), (245, 8251082), (343, 5893630), (490, 4125541), (545, 3709202), (686, 2946815), (763, 2649430), (1090, 1854601), (1526, 1324715), (1715, 1178726), (3430, 589363), (3815, 529886), (5341, 378490), (5407, 373870), (7630, 264943), (10682, 189245), (10814, 186935), (26705, 75698), (27035, 74774), (37387, 54070), (37849, 53410)]