69515390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{197}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 145781856

約数和(自身を除く): 76266466

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 197, 355, 394, 497, 710, 985, 994, 1379, 1970, 2485, 2758, 4970, 5041, 6895, 10082, 13790, 13987, 25205, 27974, 35287, 50410, 69935, 70574, 97909, 139870, 176435, 195818, 352870, 489545, 979090, 993077, 1986154, 4965385, 6951539, 9930770, 13903078, 34757695, 69515390]

約数ペア:

[(1, 69515390), (2, 34757695), (5, 13903078), (7, 9930770), (10, 6951539), (14, 4965385), (35, 1986154), (70, 993077), (71, 979090), (142, 489545), (197, 352870), (355, 195818), (394, 176435), (497, 139870), (710, 97909), (985, 70574), (994, 69935), (1379, 50410), (1970, 35287), (2485, 27974), (2758, 25205), (4970, 13987), (5041, 13790), (6895, 10082)]