28199180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{719}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 62052480

約数和(自身を除く): 33853300

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 719, 740, 1060, 1438, 1961, 2876, 3595, 3922, 7190, 7844, 9805, 14380, 19610, 26603, 38107, 39220, 53206, 76214, 106412, 133015, 152428, 190535, 266030, 381070, 532060, 762140, 1409959, 2819918, 5639836, 7049795, 14099590, 28199180]

約数ペア:

[(1, 28199180), (2, 14099590), (4, 7049795), (5, 5639836), (10, 2819918), (20, 1409959), (37, 762140), (53, 532060), (74, 381070), (106, 266030), (148, 190535), (185, 152428), (212, 133015), (265, 106412), (370, 76214), (530, 53206), (719, 39220), (740, 38107), (1060, 26603), (1438, 19610), (1961, 14380), (2876, 9805), (3595, 7844), (3922, 7190)]