206831360

素因数分解:

$2^8\times 5^1\times {\mathrm{349}}^1\times {\mathrm{463}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 497918400

約数和(自身を除く): 291087040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 349, 463, 640, 698, 926, 1280, 1396, 1745, 1852, 2315, 2792, 3490, 3704, 4630, 5584, 6980, 7408, 9260, 11168, 13960, 14816, 18520, 22336, 27920, 29632, 37040, 44672, 55840, 59264, 74080, 89344, 111680, 118528, 148160, 161587, 223360, 296320, 323174, 446720, 592640, 646348, 807935, 1292696, 1615870, 2585392, 3231740, 5170784, 6463480, 10341568, 12926960, 20683136, 25853920, 41366272, 51707840, 103415680, 206831360]

約数ペア:

[(1, 206831360), (2, 103415680), (4, 51707840), (5, 41366272), (8, 25853920), (10, 20683136), (16, 12926960), (20, 10341568), (32, 6463480), (40, 5170784), (64, 3231740), (80, 2585392), (128, 1615870), (160, 1292696), (256, 807935), (320, 646348), (349, 592640), (463, 446720), (640, 323174), (698, 296320), (926, 223360), (1280, 161587), (1396, 148160), (1745, 118528), (1852, 111680), (2315, 89344), (2792, 74080), (3490, 59264), (3704, 55840), (4630, 44672), (5584, 37040), (6980, 29632), (7408, 27920), (9260, 22336), (11168, 18520), (13960, 14816)]