27902980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{827}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 67326336

約数和(自身を除く): 39423356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 827, 964, 1205, 1654, 1687, 2410, 3308, 3374, 4135, 4820, 5789, 6748, 8270, 8435, 11578, 16540, 16870, 23156, 28945, 33740, 57890, 115780, 199307, 398614, 797228, 996535, 1395149, 1993070, 2790298, 3986140, 5580596, 6975745, 13951490, 27902980]

約数ペア:

[(1, 27902980), (2, 13951490), (4, 6975745), (5, 5580596), (7, 3986140), (10, 2790298), (14, 1993070), (20, 1395149), (28, 996535), (35, 797228), (70, 398614), (140, 199307), (241, 115780), (482, 57890), (827, 33740), (964, 28945), (1205, 23156), (1654, 16870), (1687, 16540), (2410, 11578), (3308, 8435), (3374, 8270), (4135, 6748), (4820, 5789)]