149238520

素因数分解:

$2^3\times 5^1\times {\mathrm{1741}}^1\times {\mathrm{2143}}^1$

素因数の和:3895

約数の個数: 32

約数和(自身を含む): 336136320

約数和(自身を除く): 186897800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1741, 2143, 3482, 4286, 6964, 8572, 8705, 10715, 13928, 17144, 17410, 21430, 34820, 42860, 69640, 85720, 3730963, 7461926, 14923852, 18654815, 29847704, 37309630, 74619260, 149238520]

約数ペア:

[(1, 149238520), (2, 74619260), (4, 37309630), (5, 29847704), (8, 18654815), (10, 14923852), (20, 7461926), (40, 3730963), (1741, 85720), (2143, 69640), (3482, 42860), (4286, 34820), (6964, 21430), (8572, 17410), (8705, 17144), (10715, 13928)]