148949510

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 282204000

約数和(自身を除く): 133254490

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 199, 290, 398, 445, 841, 890, 995, 1682, 1990, 2581, 4205, 5162, 5771, 8410, 11542, 12905, 17711, 25810, 28855, 35422, 57710, 74849, 88555, 149698, 167359, 177110, 334718, 374245, 513619, 748490, 836795, 1027238, 1673590, 2568095, 5136190, 14894951, 29789902, 74474755, 148949510]

約数ペア:

[(1, 148949510), (2, 74474755), (5, 29789902), (10, 14894951), (29, 5136190), (58, 2568095), (89, 1673590), (145, 1027238), (178, 836795), (199, 748490), (290, 513619), (398, 374245), (445, 334718), (841, 177110), (890, 167359), (995, 149698), (1682, 88555), (1990, 74849), (2581, 57710), (4205, 35422), (5162, 28855), (5771, 25810), (8410, 17711), (11542, 12905)]