38021480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 98340480

約数和(自身を除く): 60319000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 502, 541, 1004, 1082, 1255, 1757, 2008, 2164, 2510, 2705, 3514, 3787, 4328, 5020, 5410, 7028, 7574, 8785, 10040, 10820, 14056, 15148, 17570, 18935, 21640, 30296, 35140, 37870, 70280, 75740, 135791, 151480, 271582, 543164, 678955, 950537, 1086328, 1357910, 1901074, 2715820, 3802148, 4752685, 5431640, 7604296, 9505370, 19010740, 38021480]

約数ペア:

[(1, 38021480), (2, 19010740), (4, 9505370), (5, 7604296), (7, 5431640), (8, 4752685), (10, 3802148), (14, 2715820), (20, 1901074), (28, 1357910), (35, 1086328), (40, 950537), (56, 678955), (70, 543164), (140, 271582), (251, 151480), (280, 135791), (502, 75740), (541, 70280), (1004, 37870), (1082, 35140), (1255, 30296), (1757, 21640), (2008, 18935), (2164, 17570), (2510, 15148), (2705, 14056), (3514, 10820), (3787, 10040), (4328, 8785), (5020, 7574), (5410, 7028)]