208968900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:834

約数の個数: 144

約数和(自身を含む): 696622080

約数和(自身を除く): 487653180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 151, 175, 210, 300, 302, 350, 420, 453, 525, 604, 659, 700, 755, 906, 1050, 1057, 1318, 1510, 1812, 1977, 2100, 2114, 2265, 2636, 3020, 3171, 3295, 3775, 3954, 4228, 4530, 4613, 5285, 6342, 6590, 7550, 7908, 9060, 9226, 9885, 10570, 11325, 12684, 13180, 13839, 15100, 15855, 16475, 18452, 19770, 21140, 22650, 23065, 26425, 27678, 31710, 32950, 39540, 45300, 46130, 49425, 52850, 55356, 63420, 65900, 69195, 79275, 92260, 98850, 99509, 105700, 115325, 138390, 158550, 197700, 199018, 230650, 276780, 298527, 317100, 345975, 398036, 461300, 497545, 597054, 691950, 696563, 995090, 1194108, 1383900, 1393126, 1492635, 1990180, 2089689, 2487725, 2786252, 2985270, 3482815, 4179378, 4975450, 5970540, 6965630, 7463175, 8358756, 9950900, 10448445, 13931260, 14926350, 17414075, 20896890, 29852700, 34828150, 41793780, 52242225, 69656300, 104484450, 208968900]

約数ペア:

[(1, 208968900), (2, 104484450), (3, 69656300), (4, 52242225), (5, 41793780), (6, 34828150), (7, 29852700), (10, 20896890), (12, 17414075), (14, 14926350), (15, 13931260), (20, 10448445), (21, 9950900), (25, 8358756), (28, 7463175), (30, 6965630), (35, 5970540), (42, 4975450), (50, 4179378), (60, 3482815), (70, 2985270), (75, 2786252), (84, 2487725), (100, 2089689), (105, 1990180), (140, 1492635), (150, 1393126), (151, 1383900), (175, 1194108), (210, 995090), (300, 696563), (302, 691950), (350, 597054), (420, 497545), (453, 461300), (525, 398036), (604, 345975), (659, 317100), (700, 298527), (755, 276780), (906, 230650), (1050, 199018), (1057, 197700), (1318, 158550), (1510, 138390), (1812, 115325), (1977, 105700), (2100, 99509), (2114, 98850), (2265, 92260), (2636, 79275), (3020, 69195), (3171, 65900), (3295, 63420), (3775, 55356), (3954, 52850), (4228, 49425), (4530, 46130), (4613, 45300), (5285, 39540), (6342, 32950), (6590, 31710), (7550, 27678), (7908, 26425), (9060, 23065), (9226, 22650), (9885, 21140), (10570, 19770), (11325, 18452), (12684, 16475), (13180, 15855), (13839, 15100)]