149249720

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{36943}}^1$

素因数の和:37055

約数の個数: 32

約数和(自身を含む): 339145920

約数和(自身を除く): 189896200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 36943, 73886, 147772, 184715, 295544, 369430, 738860, 1477720, 3731243, 7462486, 14924972, 18656215, 29849944, 37312430, 74624860, 149249720]

約数ペア:

[(1, 149249720), (2, 74624860), (4, 37312430), (5, 29849944), (8, 18656215), (10, 14924972), (20, 7462486), (40, 3731243), (101, 1477720), (202, 738860), (404, 369430), (505, 295544), (808, 184715), (1010, 147772), (2020, 73886), (4040, 36943)]