78840488020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1\times {\mathrm{9157}}^1$

素因数の和:9953

約数の個数: 96

約数和(自身を含む): 191641040640

約数和(自身を除く): 112800552620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 691, 890, 1246, 1382, 1780, 2492, 2764, 3115, 3455, 4837, 6230, 6910, 9157, 9674, 12460, 13820, 18314, 19348, 24185, 36628, 45785, 48370, 61499, 64099, 91570, 96740, 122998, 128198, 183140, 245996, 256396, 307495, 320495, 430493, 614990, 640990, 814973, 860986, 1229980, 1281980, 1629946, 1721972, 2152465, 3259892, 4074865, 4304930, 5704811, 6327487, 8149730, 8609860, 11409622, 12654974, 16299460, 22819244, 25309948, 28524055, 31637435, 44292409, 57048110, 63274870, 88584818, 114096220, 126549740, 177169636, 221462045, 442924090, 563146343, 885848180, 1126292686, 2252585372, 2815731715, 3942024401, 5631463430, 7884048802, 11262926860, 15768097604, 19710122005, 39420244010, 78840488020]

約数ペア:

[(1, 78840488020), (2, 39420244010), (4, 19710122005), (5, 15768097604), (7, 11262926860), (10, 7884048802), (14, 5631463430), (20, 3942024401), (28, 2815731715), (35, 2252585372), (70, 1126292686), (89, 885848180), (140, 563146343), (178, 442924090), (356, 221462045), (445, 177169636), (623, 126549740), (691, 114096220), (890, 88584818), (1246, 63274870), (1382, 57048110), (1780, 44292409), (2492, 31637435), (2764, 28524055), (3115, 25309948), (3455, 22819244), (4837, 16299460), (6230, 12654974), (6910, 11409622), (9157, 8609860), (9674, 8149730), (12460, 6327487), (13820, 5704811), (18314, 4304930), (19348, 4074865), (24185, 3259892), (36628, 2152465), (45785, 1721972), (48370, 1629946), (61499, 1281980), (64099, 1229980), (91570, 860986), (96740, 814973), (122998, 640990), (128198, 614990), (183140, 430493), (245996, 320495), (256396, 307495)]