137373320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{490619}}^1$

素因数の和:490637

約数の個数: 32

約数和(自身を含む): 353246400

約数和(自身を除く): 215873080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 490619, 981238, 1962476, 2453095, 3434333, 3924952, 4906190, 6868666, 9812380, 13737332, 17171665, 19624760, 27474664, 34343330, 68686660, 137373320]

約数ペア:

[(1, 137373320), (2, 68686660), (4, 34343330), (5, 27474664), (7, 19624760), (8, 17171665), (10, 13737332), (14, 9812380), (20, 6868666), (28, 4906190), (35, 3924952), (40, 3434333), (56, 2453095), (70, 1962476), (140, 981238), (280, 490619)]