28008260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5407}}^1$

素因数の和:5460

約数の個数: 48

約数和(自身を含む): 69049344

約数和(自身を除く): 41041084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5407, 10814, 21628, 27035, 37849, 54070, 75698, 108140, 151396, 189245, 200059, 378490, 400118, 756980, 800236, 1000295, 1400413, 2000590, 2800826, 4001180, 5601652, 7002065, 14004130, 28008260]

約数ペア:

[(1, 28008260), (2, 14004130), (4, 7002065), (5, 5601652), (7, 4001180), (10, 2800826), (14, 2000590), (20, 1400413), (28, 1000295), (35, 800236), (37, 756980), (70, 400118), (74, 378490), (140, 200059), (148, 189245), (185, 151396), (259, 108140), (370, 75698), (518, 54070), (740, 37849), (1036, 27035), (1295, 21628), (2590, 10814), (5180, 5407)]