2802380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 6920256

約数和(自身を除く): 4117876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 541, 740, 1036, 1082, 1295, 2164, 2590, 2705, 3787, 5180, 5410, 7574, 10820, 15148, 18935, 20017, 37870, 40034, 75740, 80068, 100085, 140119, 200170, 280238, 400340, 560476, 700595, 1401190, 2802380]

約数ペア:

[(1, 2802380), (2, 1401190), (4, 700595), (5, 560476), (7, 400340), (10, 280238), (14, 200170), (20, 140119), (28, 100085), (35, 80068), (37, 75740), (70, 40034), (74, 37870), (140, 20017), (148, 18935), (185, 15148), (259, 10820), (370, 7574), (518, 5410), (541, 5180), (740, 3787), (1036, 2705), (1082, 2590), (1295, 2164)]