8140370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 17544600

約数和(自身を除く): 9404230

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 449, 490, 518, 898, 1295, 1813, 2245, 2590, 3143, 3626, 4490, 6286, 9065, 15715, 16613, 18130, 22001, 31430, 33226, 44002, 83065, 110005, 116291, 166130, 220010, 232582, 581455, 814037, 1162910, 1628074, 4070185, 8140370]

約数ペア:

[(1, 8140370), (2, 4070185), (5, 1628074), (7, 1162910), (10, 814037), (14, 581455), (35, 232582), (37, 220010), (49, 166130), (70, 116291), (74, 110005), (98, 83065), (185, 44002), (245, 33226), (259, 31430), (370, 22001), (449, 18130), (490, 16613), (518, 15715), (898, 9065), (1295, 6286), (1813, 4490), (2245, 3626), (2590, 3143)]