9720888940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2909}}^1\times {\mathrm{23869}}^1$

素因数の和:26794

約数の個数: 48

約数和(自身を含む): 23339131200

約数和(自身を除く): 13618242260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2909, 5818, 11636, 14545, 20363, 23869, 29090, 40726, 47738, 58180, 81452, 95476, 101815, 119345, 167083, 203630, 238690, 334166, 407260, 477380, 668332, 835415, 1670830, 3341660, 69434921, 138869842, 277739684, 347174605, 486044447, 694349210, 972088894, 1388698420, 1944177788, 2430222235, 4860444470, 9720888940]

約数ペア:

[(1, 9720888940), (2, 4860444470), (4, 2430222235), (5, 1944177788), (7, 1388698420), (10, 972088894), (14, 694349210), (20, 486044447), (28, 347174605), (35, 277739684), (70, 138869842), (140, 69434921), (2909, 3341660), (5818, 1670830), (11636, 835415), (14545, 668332), (20363, 477380), (23869, 407260), (29090, 334166), (40726, 238690), (47738, 203630), (58180, 167083), (81452, 119345), (95476, 101815)]