2772028540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{140143}}^1$

素因数の和:140218

約数の個数: 48

約数和(自身を含む): 6215666688

約数和(自身を除く): 3443638148

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9890, 19780, 140143, 280286, 560572, 700715, 1401430, 2802860, 3223289, 6026149, 6446578, 12052298, 12893156, 16116445, 24104596, 30130745, 32232890, 60261490, 64465780, 120522980, 138601427, 277202854, 554405708, 693007135, 1386014270, 2772028540]

約数ペア:

[(1, 2772028540), (2, 1386014270), (4, 693007135), (5, 554405708), (10, 277202854), (20, 138601427), (23, 120522980), (43, 64465780), (46, 60261490), (86, 32232890), (92, 30130745), (115, 24104596), (172, 16116445), (215, 12893156), (230, 12052298), (430, 6446578), (460, 6026149), (860, 3223289), (989, 2802860), (1978, 1401430), (3956, 700715), (4945, 560572), (9890, 280286), (19780, 140143)]