7508780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 16534560

約数和(自身を除く): 9025780

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 139, 146, 148, 185, 278, 292, 365, 370, 556, 695, 730, 740, 1390, 1460, 2701, 2780, 5143, 5402, 10147, 10286, 10804, 13505, 20294, 20572, 25715, 27010, 40588, 50735, 51430, 54020, 101470, 102860, 202940, 375439, 750878, 1501756, 1877195, 3754390, 7508780]

約数ペア:

[(1, 7508780), (2, 3754390), (4, 1877195), (5, 1501756), (10, 750878), (20, 375439), (37, 202940), (73, 102860), (74, 101470), (139, 54020), (146, 51430), (148, 50735), (185, 40588), (278, 27010), (292, 25715), (365, 20572), (370, 20294), (556, 13505), (695, 10804), (730, 10286), (740, 10147), (1390, 5402), (1460, 5143), (2701, 2780)]