72988420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1861}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 160474608

約数和(自身を除く): 87486188

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 740, 1060, 1861, 1961, 3722, 3922, 7444, 7844, 9305, 9805, 18610, 19610, 37220, 39220, 68857, 98633, 137714, 197266, 275428, 344285, 394532, 493165, 688570, 986330, 1377140, 1972660, 3649421, 7298842, 14597684, 18247105, 36494210, 72988420]

約数ペア:

[(1, 72988420), (2, 36494210), (4, 18247105), (5, 14597684), (10, 7298842), (20, 3649421), (37, 1972660), (53, 1377140), (74, 986330), (106, 688570), (148, 493165), (185, 394532), (212, 344285), (265, 275428), (370, 197266), (530, 137714), (740, 98633), (1060, 68857), (1861, 39220), (1961, 37220), (3722, 19610), (3922, 18610), (7444, 9805), (7844, 9305)]