8449140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20117}}^1$

素因数の和:20136

約数の個数: 48

約数和(自身を含む): 27038592

約数和(自身を除く): 18589452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 20117, 40234, 60351, 80468, 100585, 120702, 140819, 201170, 241404, 281638, 301755, 402340, 422457, 563276, 603510, 704095, 844914, 1207020, 1408190, 1689828, 2112285, 2816380, 4224570, 8449140]

約数ペア:

[(1, 8449140), (2, 4224570), (3, 2816380), (4, 2112285), (5, 1689828), (6, 1408190), (7, 1207020), (10, 844914), (12, 704095), (14, 603510), (15, 563276), (20, 422457), (21, 402340), (28, 301755), (30, 281638), (35, 241404), (42, 201170), (60, 140819), (70, 120702), (84, 100585), (105, 80468), (140, 60351), (210, 40234), (420, 20117)]