157990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 32

約数和(自身を含む): 339264

約数和(自身を除く): 181274

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 61, 70, 74, 122, 185, 259, 305, 370, 427, 518, 610, 854, 1295, 2135, 2257, 2590, 4270, 4514, 11285, 15799, 22570, 31598, 78995, 157990]

約数ペア:

[(1, 157990), (2, 78995), (5, 31598), (7, 22570), (10, 15799), (14, 11285), (35, 4514), (37, 4270), (61, 2590), (70, 2257), (74, 2135), (122, 1295), (185, 854), (259, 610), (305, 518), (370, 427)]