2049740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^4$

素因数の和:60

約数の個数: 60

約数和(自身を含む): 5411280

約数和(自身を除く): 3361540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1331, 1540, 1694, 2420, 2662, 3388, 4235, 5324, 6655, 8470, 9317, 13310, 14641, 16940, 18634, 26620, 29282, 37268, 46585, 58564, 73205, 93170, 102487, 146410, 186340, 204974, 292820, 409948, 512435, 1024870, 2049740]

約数ペア:

[(1, 2049740), (2, 1024870), (4, 512435), (5, 409948), (7, 292820), (10, 204974), (11, 186340), (14, 146410), (20, 102487), (22, 93170), (28, 73205), (35, 58564), (44, 46585), (55, 37268), (70, 29282), (77, 26620), (110, 18634), (121, 16940), (140, 14641), (154, 13310), (220, 9317), (242, 8470), (308, 6655), (385, 5324), (484, 4235), (605, 3388), (770, 2662), (847, 2420), (1210, 1694), (1331, 1540)]