12295780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 29949696

約数和(自身を除く): 17653916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1237, 1420, 1988, 2474, 2485, 4948, 4970, 6185, 8659, 9940, 12370, 17318, 24740, 34636, 43295, 86590, 87827, 173180, 175654, 351308, 439135, 614789, 878270, 1229578, 1756540, 2459156, 3073945, 6147890, 12295780]

約数ペア:

[(1, 12295780), (2, 6147890), (4, 3073945), (5, 2459156), (7, 1756540), (10, 1229578), (14, 878270), (20, 614789), (28, 439135), (35, 351308), (70, 175654), (71, 173180), (140, 87827), (142, 86590), (284, 43295), (355, 34636), (497, 24740), (710, 17318), (994, 12370), (1237, 9940), (1420, 8659), (1988, 6185), (2474, 4970), (2485, 4948)]