39280360

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{409}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 103356900

約数和(自身を除く): 64076540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 409, 490, 686, 818, 980, 1372, 1636, 1715, 1960, 2045, 2401, 2744, 2863, 3272, 3430, 4090, 4802, 5726, 6860, 8180, 9604, 11452, 12005, 13720, 14315, 16360, 19208, 20041, 22904, 24010, 28630, 40082, 48020, 57260, 80164, 96040, 100205, 114520, 140287, 160328, 200410, 280574, 400820, 561148, 701435, 801640, 982009, 1122296, 1402870, 1964018, 2805740, 3928036, 4910045, 5611480, 7856072, 9820090, 19640180, 39280360]

約数ペア:

[(1, 39280360), (2, 19640180), (4, 9820090), (5, 7856072), (7, 5611480), (8, 4910045), (10, 3928036), (14, 2805740), (20, 1964018), (28, 1402870), (35, 1122296), (40, 982009), (49, 801640), (56, 701435), (70, 561148), (98, 400820), (140, 280574), (196, 200410), (245, 160328), (280, 140287), (343, 114520), (392, 100205), (409, 96040), (490, 80164), (686, 57260), (818, 48020), (980, 40082), (1372, 28630), (1636, 24010), (1715, 22904), (1960, 20041), (2045, 19208), (2401, 16360), (2744, 14315), (2863, 13720), (3272, 12005), (3430, 11452), (4090, 9604), (4802, 8180), (5726, 6860)]