210978488

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 468633600

約数和(自身を除く): 257655112

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 71, 94, 142, 188, 284, 329, 376, 497, 568, 658, 994, 1129, 1316, 1988, 2258, 2632, 3337, 3976, 4516, 6674, 7903, 9032, 13348, 15806, 23359, 26696, 31612, 46718, 53063, 63224, 80159, 93436, 106126, 160318, 186872, 212252, 320636, 371441, 424504, 561113, 641272, 742882, 1122226, 1485764, 2244452, 2971528, 3767473, 4488904, 7534946, 15069892, 26372311, 30139784, 52744622, 105489244, 210978488]

約数ペア:

[(1, 210978488), (2, 105489244), (4, 52744622), (7, 30139784), (8, 26372311), (14, 15069892), (28, 7534946), (47, 4488904), (56, 3767473), (71, 2971528), (94, 2244452), (142, 1485764), (188, 1122226), (284, 742882), (329, 641272), (376, 561113), (497, 424504), (568, 371441), (658, 320636), (994, 212252), (1129, 186872), (1316, 160318), (1988, 106126), (2258, 93436), (2632, 80159), (3337, 63224), (3976, 53063), (4516, 46718), (6674, 31612), (7903, 26696), (9032, 23359), (13348, 15806)]