142723480

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{42989}}^1$

素因数の和:43083

約数の個数: 32

約数和(自身を含む): 325004400

約数和(自身を除く): 182280920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 42989, 85978, 171956, 214945, 343912, 429890, 859780, 1719560, 3568087, 7136174, 14272348, 17840435, 28544696, 35680870, 71361740, 142723480]

約数ペア:

[(1, 142723480), (2, 71361740), (4, 35680870), (5, 28544696), (8, 17840435), (10, 14272348), (20, 7136174), (40, 3568087), (83, 1719560), (166, 859780), (332, 429890), (415, 343912), (664, 214945), (830, 171956), (1660, 85978), (3320, 42989)]