2885740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 7126560

約数和(自身を除く): 4240820

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1009, 1430, 2018, 2860, 4036, 5045, 10090, 11099, 13117, 20180, 22198, 26234, 44396, 52468, 55495, 65585, 110990, 131170, 144287, 221980, 262340, 288574, 577148, 721435, 1442870, 2885740]

約数ペア:

[(1, 2885740), (2, 1442870), (4, 721435), (5, 577148), (10, 288574), (11, 262340), (13, 221980), (20, 144287), (22, 131170), (26, 110990), (44, 65585), (52, 55495), (55, 52468), (65, 44396), (110, 26234), (130, 22198), (143, 20180), (220, 13117), (260, 11099), (286, 10090), (572, 5045), (715, 4036), (1009, 2860), (1430, 2018)]