401800000020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18493}}^1\times {\mathrm{9787}}^1$

素因数の和:28329

約数の個数: 96

約数和(自身を含む): 1155627032448

約数和(自身を除く): 753827032428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9787, 18493, 19574, 29361, 36986, 39148, 48935, 55479, 58722, 73972, 92465, 97870, 110958, 117444, 146805, 184930, 195740, 221916, 277395, 293610, 362119, 369860, 554790, 587220, 684241, 724238, 1086357, 1109580, 1368482, 1448476, 1810595, 2052723, 2172714, 2736964, 3421205, 3621190, 4105446, 4345428, 5431785, 6842410, 7242380, 8210892, 10263615, 10863570, 13684820, 20527230, 21727140, 41054460, 180990991, 361981982, 542972973, 723963964, 904954955, 1085945946, 1809909910, 2171891892, 2714864865, 3619819820, 5429729730, 6696666667, 10859459460, 13393333334, 20090000001, 26786666668, 33483333335, 40180000002, 66966666670, 80360000004, 100450000005, 133933333340, 200900000010, 401800000020]

約数ペア:

[(1, 401800000020), (2, 200900000010), (3, 133933333340), (4, 100450000005), (5, 80360000004), (6, 66966666670), (10, 40180000002), (12, 33483333335), (15, 26786666668), (20, 20090000001), (30, 13393333334), (37, 10859459460), (60, 6696666667), (74, 5429729730), (111, 3619819820), (148, 2714864865), (185, 2171891892), (222, 1809909910), (370, 1085945946), (444, 904954955), (555, 723963964), (740, 542972973), (1110, 361981982), (2220, 180990991), (9787, 41054460), (18493, 21727140), (19574, 20527230), (29361, 13684820), (36986, 10863570), (39148, 10263615), (48935, 8210892), (55479, 7242380), (58722, 6842410), (73972, 5431785), (92465, 4345428), (97870, 4105446), (110958, 3621190), (117444, 3421205), (146805, 2736964), (184930, 2172714), (195740, 2052723), (221916, 1810595), (277395, 1448476), (293610, 1368482), (362119, 1109580), (369860, 1086357), (554790, 724238), (587220, 684241)]