321717200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1405

約数の個数: 120

約数和(自身を含む): 893960640

約数和(自身を除く): 572243440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 89, 100, 112, 140, 175, 178, 200, 280, 350, 356, 400, 445, 560, 623, 700, 712, 890, 1246, 1291, 1400, 1424, 1780, 2225, 2492, 2582, 2800, 3115, 3560, 4450, 4984, 5164, 6230, 6455, 7120, 8900, 9037, 9968, 10328, 12460, 12910, 15575, 17800, 18074, 20656, 24920, 25820, 31150, 32275, 35600, 36148, 45185, 49840, 51640, 62300, 64550, 72296, 90370, 103280, 114899, 124600, 129100, 144592, 180740, 225925, 229798, 249200, 258200, 361480, 451850, 459596, 516400, 574495, 722960, 804293, 903700, 919192, 1148990, 1608586, 1807400, 1838384, 2297980, 2872475, 3217172, 3614800, 4021465, 4595960, 5744950, 6434344, 8042930, 9191920, 11489900, 12868688, 16085860, 20107325, 22979800, 32171720, 40214650, 45959600, 64343440, 80429300, 160858600, 321717200]

約数ペア:

[(1, 321717200), (2, 160858600), (4, 80429300), (5, 64343440), (7, 45959600), (8, 40214650), (10, 32171720), (14, 22979800), (16, 20107325), (20, 16085860), (25, 12868688), (28, 11489900), (35, 9191920), (40, 8042930), (50, 6434344), (56, 5744950), (70, 4595960), (80, 4021465), (89, 3614800), (100, 3217172), (112, 2872475), (140, 2297980), (175, 1838384), (178, 1807400), (200, 1608586), (280, 1148990), (350, 919192), (356, 903700), (400, 804293), (445, 722960), (560, 574495), (623, 516400), (700, 459596), (712, 451850), (890, 361480), (1246, 258200), (1291, 249200), (1400, 229798), (1424, 225925), (1780, 180740), (2225, 144592), (2492, 129100), (2582, 124600), (2800, 114899), (3115, 103280), (3560, 90370), (4450, 72296), (4984, 64550), (5164, 62300), (6230, 51640), (6455, 49840), (7120, 45185), (8900, 36148), (9037, 35600), (9968, 32275), (10328, 31150), (12460, 25820), (12910, 24920), (15575, 20656), (17800, 18074)]