205319310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{709}}^1$

素因数の和:930

約数の個数: 96

約数和(自身を含む): 576940320

約数和(自身を除く): 371621010

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 197, 210, 245, 294, 394, 490, 591, 709, 735, 985, 1182, 1379, 1418, 1470, 1970, 2127, 2758, 2955, 3545, 4137, 4254, 4963, 5910, 6895, 7090, 8274, 9653, 9926, 10635, 13790, 14889, 19306, 20685, 21270, 24815, 28959, 29778, 34741, 41370, 48265, 49630, 57918, 69482, 74445, 96530, 104223, 139673, 144795, 148890, 173705, 208446, 279346, 289590, 347410, 419019, 521115, 698365, 838038, 977711, 1042230, 1396730, 1955422, 2095095, 2933133, 4190190, 4888555, 5866266, 6843977, 9777110, 13687954, 14665665, 20531931, 29331330, 34219885, 41063862, 68439770, 102659655, 205319310]

約数ペア:

[(1, 205319310), (2, 102659655), (3, 68439770), (5, 41063862), (6, 34219885), (7, 29331330), (10, 20531931), (14, 14665665), (15, 13687954), (21, 9777110), (30, 6843977), (35, 5866266), (42, 4888555), (49, 4190190), (70, 2933133), (98, 2095095), (105, 1955422), (147, 1396730), (197, 1042230), (210, 977711), (245, 838038), (294, 698365), (394, 521115), (490, 419019), (591, 347410), (709, 289590), (735, 279346), (985, 208446), (1182, 173705), (1379, 148890), (1418, 144795), (1470, 139673), (1970, 104223), (2127, 96530), (2758, 74445), (2955, 69482), (3545, 57918), (4137, 49630), (4254, 48265), (4963, 41370), (5910, 34741), (6895, 29778), (7090, 28959), (8274, 24815), (9653, 21270), (9926, 20685), (10635, 19306), (13790, 14889)]