209965732

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1367}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 404490240

約数和(自身を除く): 194524508

約数列:

[1, 2, 4, 19, 38, 43, 47, 76, 86, 94, 172, 188, 817, 893, 1367, 1634, 1786, 2021, 2734, 3268, 3572, 4042, 5468, 8084, 25973, 38399, 51946, 58781, 64249, 76798, 103892, 117562, 128498, 153596, 235124, 256996, 1116839, 1220731, 2233678, 2441462, 2762707, 4467356, 4882924, 5525414, 11050828, 52491433, 104982866, 209965732]

約数ペア:

[(1, 209965732), (2, 104982866), (4, 52491433), (19, 11050828), (38, 5525414), (43, 4882924), (47, 4467356), (76, 2762707), (86, 2441462), (94, 2233678), (172, 1220731), (188, 1116839), (817, 256996), (893, 235124), (1367, 153596), (1634, 128498), (1786, 117562), (2021, 103892), (2734, 76798), (3268, 64249), (3572, 58781), (4042, 51946), (5468, 38399), (8084, 25973)]