819794920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{15329}}^1$

素因数の和:15538

約数の個数: 64

約数和(自身を含む): 2119219200

約数和(自身を除く): 1299424280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 764, 955, 1337, 1528, 1910, 2674, 3820, 5348, 6685, 7640, 10696, 13370, 15329, 26740, 30658, 53480, 61316, 76645, 107303, 122632, 153290, 214606, 306580, 429212, 536515, 613160, 858424, 1073030, 2146060, 2927839, 4292120, 5855678, 11711356, 14639195, 20494873, 23422712, 29278390, 40989746, 58556780, 81979492, 102474365, 117113560, 163958984, 204948730, 409897460, 819794920]

約数ペア:

[(1, 819794920), (2, 409897460), (4, 204948730), (5, 163958984), (7, 117113560), (8, 102474365), (10, 81979492), (14, 58556780), (20, 40989746), (28, 29278390), (35, 23422712), (40, 20494873), (56, 14639195), (70, 11711356), (140, 5855678), (191, 4292120), (280, 2927839), (382, 2146060), (764, 1073030), (955, 858424), (1337, 613160), (1528, 536515), (1910, 429212), (2674, 306580), (3820, 214606), (5348, 153290), (6685, 122632), (7640, 107303), (10696, 76645), (13370, 61316), (15329, 53480), (26740, 30658)]