260449140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{620117}}^1$

素因数の和:620136

約数の個数: 48

約数和(自身を含む): 833438592

約数和(自身を除く): 572989452

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, 620117, 1240234, 1860351, 2480468, 3100585, 3720702, 4340819, 6201170, 7441404, 8681638, 9301755, 12402340, 13022457, 17363276, 18603510, 21704095, 26044914, 37207020, 43408190, 52089828, 65112285, 86816380, 130224570, 260449140]

約数ペア:

[(1, 260449140), (2, 130224570), (3, 86816380), (4, 65112285), (5, 52089828), (6, 43408190), (7, 37207020), (10, 26044914), (12, 21704095), (14, 18603510), (15, 17363276), (20, 13022457), (21, 12402340), (28, 9301755), (30, 8681638), (35, 7441404), (42, 6201170), (60, 4340819), (70, 3720702), (84, 3100585), (105, 2480468), (140, 1860351), (210, 1240234), (420, 620117)]