2245740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{5347}}^1$

素因数の和:5366

約数の個数: 48

約数和(自身を含む): 7187712

約数和(自身を除く): 4941972

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, 5347, 10694, 16041, 21388, 26735, 32082, 37429, 53470, 64164, 74858, 80205, 106940, 112287, 149716, 160410, 187145, 224574, 320820, 374290, 449148, 561435, 748580, 1122870, 2245740]

約数ペア:

[(1, 2245740), (2, 1122870), (3, 748580), (4, 561435), (5, 449148), (6, 374290), (7, 320820), (10, 224574), (12, 187145), (14, 160410), (15, 149716), (20, 112287), (21, 106940), (28, 80205), (30, 74858), (35, 64164), (42, 53470), (60, 37429), (70, 32082), (84, 26735), (105, 21388), (140, 16041), (210, 10694), (420, 5347)]