490367038

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 903260160

約数和(自身を除く): 412893122

約数列:

[1, 2, 7, 14, 23, 46, 71, 89, 142, 161, 178, 241, 322, 482, 497, 623, 994, 1246, 1633, 1687, 2047, 3266, 3374, 4094, 5543, 6319, 11086, 11431, 12638, 14329, 17111, 21449, 22862, 28658, 34222, 38801, 42898, 44233, 77602, 88466, 119777, 145337, 150143, 239554, 290674, 300286, 393553, 493327, 787106, 986654, 1017359, 1522879, 2034718, 2754871, 3045758, 3453289, 5509742, 6906578, 10660153, 21320306, 35026217, 70052434, 245183519, 490367038]

約数ペア:

[(1, 490367038), (2, 245183519), (7, 70052434), (14, 35026217), (23, 21320306), (46, 10660153), (71, 6906578), (89, 5509742), (142, 3453289), (161, 3045758), (178, 2754871), (241, 2034718), (322, 1522879), (482, 1017359), (497, 986654), (623, 787106), (994, 493327), (1246, 393553), (1633, 300286), (1687, 290674), (2047, 239554), (3266, 150143), (3374, 145337), (4094, 119777), (5543, 88466), (6319, 77602), (11086, 44233), (11431, 42898), (12638, 38801), (14329, 34222), (17111, 28658), (21449, 22862)]