557220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 1608768

約数和(自身を除く): 1051548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 251, 370, 444, 502, 555, 740, 753, 1004, 1110, 1255, 1506, 2220, 2510, 3012, 3765, 5020, 7530, 9287, 15060, 18574, 27861, 37148, 46435, 55722, 92870, 111444, 139305, 185740, 278610, 557220]

約数ペア:

[(1, 557220), (2, 278610), (3, 185740), (4, 139305), (5, 111444), (6, 92870), (10, 55722), (12, 46435), (15, 37148), (20, 27861), (30, 18574), (37, 15060), (60, 9287), (74, 7530), (111, 5020), (148, 3765), (185, 3012), (222, 2510), (251, 2220), (370, 1506), (444, 1255), (502, 1110), (555, 1004), (740, 753)]