229911920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:775

約数の個数: 120

約数和(自身を含む): 629758800

約数和(自身を除く): 399846880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 89, 98, 112, 140, 178, 196, 245, 280, 356, 392, 445, 490, 560, 623, 659, 712, 784, 890, 980, 1246, 1318, 1424, 1780, 1960, 2492, 2636, 3115, 3295, 3560, 3920, 4361, 4613, 4984, 5272, 6230, 6590, 7120, 8722, 9226, 9968, 10544, 12460, 13180, 17444, 18452, 21805, 23065, 24920, 26360, 32291, 34888, 36904, 43610, 46130, 49840, 52720, 58651, 64582, 69776, 73808, 87220, 92260, 117302, 129164, 161455, 174440, 184520, 234604, 258328, 293255, 322910, 348880, 369040, 410557, 469208, 516656, 586510, 645820, 821114, 938416, 1173020, 1291640, 1642228, 2052785, 2346040, 2583280, 2873899, 3284456, 4105570, 4692080, 5747798, 6568912, 8211140, 11495596, 14369495, 16422280, 22991192, 28738990, 32844560, 45982384, 57477980, 114955960, 229911920]

約数ペア:

[(1, 229911920), (2, 114955960), (4, 57477980), (5, 45982384), (7, 32844560), (8, 28738990), (10, 22991192), (14, 16422280), (16, 14369495), (20, 11495596), (28, 8211140), (35, 6568912), (40, 5747798), (49, 4692080), (56, 4105570), (70, 3284456), (80, 2873899), (89, 2583280), (98, 2346040), (112, 2052785), (140, 1642228), (178, 1291640), (196, 1173020), (245, 938416), (280, 821114), (356, 645820), (392, 586510), (445, 516656), (490, 469208), (560, 410557), (623, 369040), (659, 348880), (712, 322910), (784, 293255), (890, 258328), (980, 234604), (1246, 184520), (1318, 174440), (1424, 161455), (1780, 129164), (1960, 117302), (2492, 92260), (2636, 87220), (3115, 73808), (3295, 69776), (3560, 64582), (3920, 58651), (4361, 52720), (4613, 49840), (4984, 46130), (5272, 43610), (6230, 36904), (6590, 34888), (7120, 32291), (8722, 26360), (9226, 24920), (9968, 23065), (10544, 21805), (12460, 18452), (13180, 17444)]