2471980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17657}}^1$

素因数の和:17673

約数の個数: 24

約数和(自身を含む): 5933088

約数和(自身を除く): 3461108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 17657, 35314, 70628, 88285, 123599, 176570, 247198, 353140, 494396, 617995, 1235990, 2471980]

約数ペア:

[(1, 2471980), (2, 1235990), (4, 617995), (5, 494396), (7, 353140), (10, 247198), (14, 176570), (20, 123599), (28, 88285), (35, 70628), (70, 35314), (140, 17657)]