138902440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 323942400

約数和(自身を除く): 185039960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 127, 148, 185, 254, 296, 370, 508, 635, 739, 740, 1016, 1270, 1478, 1480, 2540, 2956, 3695, 4699, 5080, 5912, 7390, 9398, 14780, 18796, 23495, 27343, 29560, 37592, 46990, 54686, 93853, 93980, 109372, 136715, 187706, 187960, 218744, 273430, 375412, 469265, 546860, 750824, 938530, 1093720, 1877060, 3472561, 3754120, 6945122, 13890244, 17362805, 27780488, 34725610, 69451220, 138902440]

約数ペア:

[(1, 138902440), (2, 69451220), (4, 34725610), (5, 27780488), (8, 17362805), (10, 13890244), (20, 6945122), (37, 3754120), (40, 3472561), (74, 1877060), (127, 1093720), (148, 938530), (185, 750824), (254, 546860), (296, 469265), (370, 375412), (508, 273430), (635, 218744), (739, 187960), (740, 187706), (1016, 136715), (1270, 109372), (1478, 93980), (1480, 93853), (2540, 54686), (2956, 46990), (3695, 37592), (4699, 29560), (5080, 27343), (5912, 23495), (7390, 18796), (9398, 14780)]