78205116670

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1\times {\mathrm{1493}}^1$

素因数の和:2301

約数の個数: 64

約数和(自身を含む): 145158713280

約数和(自身を除く): 66953596610

約数列:

[1, 2, 5, 10, 41, 82, 205, 251, 410, 502, 509, 1018, 1255, 1493, 2510, 2545, 2986, 5090, 7465, 10291, 14930, 20582, 20869, 41738, 51455, 61213, 102910, 104345, 122426, 127759, 208690, 255518, 306065, 374743, 612130, 638795, 749486, 759937, 1277590, 1519874, 1873715, 3747430, 3799685, 5238119, 7599370, 10476238, 15364463, 26190595, 30728926, 31157417, 52381190, 62314834, 76822315, 153644630, 155787085, 190744187, 311574170, 381488374, 953720935, 1907441870, 7820511667, 15641023334, 39102558335, 78205116670]

約数ペア:

[(1, 78205116670), (2, 39102558335), (5, 15641023334), (10, 7820511667), (41, 1907441870), (82, 953720935), (205, 381488374), (251, 311574170), (410, 190744187), (502, 155787085), (509, 153644630), (1018, 76822315), (1255, 62314834), (1493, 52381190), (2510, 31157417), (2545, 30728926), (2986, 26190595), (5090, 15364463), (7465, 10476238), (10291, 7599370), (14930, 5238119), (20582, 3799685), (20869, 3747430), (41738, 1873715), (51455, 1519874), (61213, 1277590), (102910, 759937), (104345, 749486), (122426, 638795), (127759, 612130), (208690, 374743), (255518, 306065)]