219216340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 544497408

約数和(自身を除く): 325281068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 181, 205, 211, 287, 362, 410, 422, 574, 724, 820, 844, 905, 1055, 1148, 1267, 1435, 1477, 1810, 2110, 2534, 2870, 2954, 3620, 4220, 5068, 5740, 5908, 6335, 7385, 7421, 8651, 12670, 14770, 14842, 17302, 25340, 29540, 29684, 34604, 37105, 38191, 43255, 51947, 60557, 74210, 76382, 86510, 103894, 121114, 148420, 152764, 173020, 190955, 207788, 242228, 259735, 267337, 302785, 381910, 519470, 534674, 605570, 763820, 1038940, 1069348, 1211140, 1336685, 1565831, 2673370, 3131662, 5346740, 6263324, 7829155, 10960817, 15658310, 21921634, 31316620, 43843268, 54804085, 109608170, 219216340]

約数ペア:

[(1, 219216340), (2, 109608170), (4, 54804085), (5, 43843268), (7, 31316620), (10, 21921634), (14, 15658310), (20, 10960817), (28, 7829155), (35, 6263324), (41, 5346740), (70, 3131662), (82, 2673370), (140, 1565831), (164, 1336685), (181, 1211140), (205, 1069348), (211, 1038940), (287, 763820), (362, 605570), (410, 534674), (422, 519470), (574, 381910), (724, 302785), (820, 267337), (844, 259735), (905, 242228), (1055, 207788), (1148, 190955), (1267, 173020), (1435, 152764), (1477, 148420), (1810, 121114), (2110, 103894), (2534, 86510), (2870, 76382), (2954, 74210), (3620, 60557), (4220, 51947), (5068, 43255), (5740, 38191), (5908, 37105), (6335, 34604), (7385, 29684), (7421, 29540), (8651, 25340), (12670, 17302), (14770, 14842)]