206989790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 468441792

約数和(自身を除く): 261452002

約数列:

[1, 2, 5, 7, 10, 14, 17, 31, 34, 35, 62, 70, 85, 119, 155, 170, 181, 217, 238, 310, 362, 434, 527, 595, 905, 961, 1054, 1085, 1190, 1267, 1810, 1922, 2170, 2534, 2635, 3077, 3689, 4805, 5270, 5611, 6154, 6335, 6727, 7378, 9610, 11222, 12670, 13454, 15385, 16337, 18445, 21539, 28055, 30770, 32674, 33635, 36890, 39277, 43078, 56110, 67270, 78554, 81685, 95387, 107695, 114359, 163370, 173941, 190774, 196385, 215390, 228718, 347882, 392770, 476935, 571795, 667709, 869705, 953870, 1143590, 1217587, 1335418, 1739410, 2435174, 2956997, 3338545, 5913994, 6087935, 6677090, 12175870, 14784985, 20698979, 29569970, 41397958, 103494895, 206989790]

約数ペア:

[(1, 206989790), (2, 103494895), (5, 41397958), (7, 29569970), (10, 20698979), (14, 14784985), (17, 12175870), (31, 6677090), (34, 6087935), (35, 5913994), (62, 3338545), (70, 2956997), (85, 2435174), (119, 1739410), (155, 1335418), (170, 1217587), (181, 1143590), (217, 953870), (238, 869705), (310, 667709), (362, 571795), (434, 476935), (527, 392770), (595, 347882), (905, 228718), (961, 215390), (1054, 196385), (1085, 190774), (1190, 173941), (1267, 163370), (1810, 114359), (1922, 107695), (2170, 95387), (2534, 81685), (2635, 78554), (3077, 67270), (3689, 56110), (4805, 43078), (5270, 39277), (5611, 36890), (6154, 33635), (6335, 32674), (6727, 30770), (7378, 28055), (9610, 21539), (11222, 18445), (12670, 16337), (13454, 15385)]