27419140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1409}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 66326400

約数和(自身を除く): 38907260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1409, 1946, 2780, 2818, 3892, 4865, 5636, 7045, 9730, 9863, 14090, 19460, 19726, 28180, 39452, 49315, 98630, 195851, 197260, 391702, 783404, 979255, 1370957, 1958510, 2741914, 3917020, 5483828, 6854785, 13709570, 27419140]

約数ペア:

[(1, 27419140), (2, 13709570), (4, 6854785), (5, 5483828), (7, 3917020), (10, 2741914), (14, 1958510), (20, 1370957), (28, 979255), (35, 783404), (70, 391702), (139, 197260), (140, 195851), (278, 98630), (556, 49315), (695, 39452), (973, 28180), (1390, 19726), (1409, 19460), (1946, 14090), (2780, 9863), (2818, 9730), (3892, 7045), (4865, 5636)]