1694319980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{4027}}^1$

素因数の和:4338

約数の個数: 48

約数和(自身を含む): 3610215840

約数和(自身を除く): 1915895860

約数列:

[1, 2, 4, 5, 10, 20, 109, 193, 218, 386, 436, 545, 772, 965, 1090, 1930, 2180, 3860, 4027, 8054, 16108, 20135, 21037, 40270, 42074, 80540, 84148, 105185, 210370, 420740, 438943, 777211, 877886, 1554422, 1755772, 2194715, 3108844, 3886055, 4389430, 7772110, 8778860, 15544220, 84715999, 169431998, 338863996, 423579995, 847159990, 1694319980]

約数ペア:

[(1, 1694319980), (2, 847159990), (4, 423579995), (5, 338863996), (10, 169431998), (20, 84715999), (109, 15544220), (193, 8778860), (218, 7772110), (386, 4389430), (436, 3886055), (545, 3108844), (772, 2194715), (965, 1755772), (1090, 1554422), (1930, 877886), (2180, 777211), (3860, 438943), (4027, 420740), (8054, 210370), (16108, 105185), (20135, 84148), (21037, 80540), (40270, 42074)]