212343770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 417021696

約数和(自身を除く): 204677926

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 103, 134, 170, 181, 206, 335, 362, 515, 670, 905, 1030, 1139, 1751, 1810, 2278, 3077, 3502, 5695, 6154, 6901, 8755, 11390, 12127, 13802, 15385, 17510, 18643, 24254, 30770, 34505, 37286, 60635, 69010, 93215, 117317, 121270, 186430, 206159, 234634, 316931, 412318, 586585, 633862, 1030795, 1173170, 1249081, 1584655, 2061590, 2498162, 3169310, 6245405, 12490810, 21234377, 42468754, 106171885, 212343770]

約数ペア:

[(1, 212343770), (2, 106171885), (5, 42468754), (10, 21234377), (17, 12490810), (34, 6245405), (67, 3169310), (85, 2498162), (103, 2061590), (134, 1584655), (170, 1249081), (181, 1173170), (206, 1030795), (335, 633862), (362, 586585), (515, 412318), (670, 316931), (905, 234634), (1030, 206159), (1139, 186430), (1751, 121270), (1810, 117317), (2278, 93215), (3077, 69010), (3502, 60635), (5695, 37286), (6154, 34505), (6901, 30770), (8755, 24254), (11390, 18643), (12127, 17510), (13802, 15385)]