201552670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 406467072

約数和(自身を除く): 204914402

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 131, 142, 197, 262, 355, 394, 655, 710, 781, 985, 1310, 1441, 1562, 1970, 2167, 2882, 3905, 4334, 7205, 7810, 9301, 10835, 13987, 14410, 18602, 21670, 25807, 27974, 46505, 51614, 69935, 93010, 102311, 129035, 139870, 153857, 204622, 258070, 283877, 307714, 511555, 567754, 769285, 1023110, 1419385, 1538570, 1832297, 2838770, 3664594, 9161485, 18322970, 20155267, 40310534, 100776335, 201552670]

約数ペア:

[(1, 201552670), (2, 100776335), (5, 40310534), (10, 20155267), (11, 18322970), (22, 9161485), (55, 3664594), (71, 2838770), (110, 1832297), (131, 1538570), (142, 1419385), (197, 1023110), (262, 769285), (355, 567754), (394, 511555), (655, 307714), (710, 283877), (781, 258070), (985, 204622), (1310, 153857), (1441, 139870), (1562, 129035), (1970, 102311), (2167, 93010), (2882, 69935), (3905, 51614), (4334, 46505), (7205, 27974), (7810, 25807), (9301, 21670), (10835, 18602), (13987, 14410)]