248936780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{2917}}^1$

素因数の和:3194

約数の個数: 48

約数和(自身を含む): 555914016

約数和(自身を除く): 306977236

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 251, 340, 502, 1004, 1255, 2510, 2917, 4267, 5020, 5834, 8534, 11668, 14585, 17068, 21335, 29170, 42670, 49589, 58340, 85340, 99178, 198356, 247945, 495890, 732167, 991780, 1464334, 2928668, 3660835, 7321670, 12446839, 14643340, 24893678, 49787356, 62234195, 124468390, 248936780]

約数ペア:

[(1, 248936780), (2, 124468390), (4, 62234195), (5, 49787356), (10, 24893678), (17, 14643340), (20, 12446839), (34, 7321670), (68, 3660835), (85, 2928668), (170, 1464334), (251, 991780), (340, 732167), (502, 495890), (1004, 247945), (1255, 198356), (2510, 99178), (2917, 85340), (4267, 58340), (5020, 49589), (5834, 42670), (8534, 29170), (11668, 21335), (14585, 17068)]