488656840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:695

約数の個数: 128

約数和(自身を含む): 1339027200

約数和(自身を除く): 850370360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 251, 280, 340, 409, 476, 502, 595, 680, 818, 952, 1004, 1190, 1255, 1636, 1757, 2008, 2045, 2380, 2510, 2863, 3272, 3514, 4090, 4267, 4760, 5020, 5726, 6953, 7028, 8180, 8534, 8785, 10040, 11452, 13906, 14056, 14315, 16360, 17068, 17570, 21335, 22904, 27812, 28630, 29869, 34136, 34765, 35140, 42670, 48671, 55624, 57260, 59738, 69530, 70280, 85340, 97342, 102659, 114520, 119476, 139060, 149345, 170680, 194684, 205318, 238952, 243355, 278120, 298690, 389368, 410636, 486710, 513295, 597380, 718613, 821272, 973420, 1026590, 1194760, 1437226, 1745203, 1946840, 2053180, 2874452, 3490406, 3593065, 4106360, 5748904, 6980812, 7186130, 8726015, 12216421, 13961624, 14372260, 17452030, 24432842, 28744520, 34904060, 48865684, 61082105, 69808120, 97731368, 122164210, 244328420, 488656840]

約数ペア:

[(1, 488656840), (2, 244328420), (4, 122164210), (5, 97731368), (7, 69808120), (8, 61082105), (10, 48865684), (14, 34904060), (17, 28744520), (20, 24432842), (28, 17452030), (34, 14372260), (35, 13961624), (40, 12216421), (56, 8726015), (68, 7186130), (70, 6980812), (85, 5748904), (119, 4106360), (136, 3593065), (140, 3490406), (170, 2874452), (238, 2053180), (251, 1946840), (280, 1745203), (340, 1437226), (409, 1194760), (476, 1026590), (502, 973420), (595, 821272), (680, 718613), (818, 597380), (952, 513295), (1004, 486710), (1190, 410636), (1255, 389368), (1636, 298690), (1757, 278120), (2008, 243355), (2045, 238952), (2380, 205318), (2510, 194684), (2863, 170680), (3272, 149345), (3514, 139060), (4090, 119476), (4267, 114520), (4760, 102659), (5020, 97342), (5726, 85340), (6953, 70280), (7028, 69530), (8180, 59738), (8534, 57260), (8785, 55624), (10040, 48671), (11452, 42670), (13906, 35140), (14056, 34765), (14315, 34136), (16360, 29869), (17068, 28630), (17570, 27812), (21335, 22904)]