218984920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1451}}^1$

素因数の和:1494

約数の個数: 128

約数和(自身を含む): 627264000

約数和(自身を除く): 408279080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 616, 686, 770, 980, 1078, 1372, 1451, 1540, 1715, 1960, 2156, 2695, 2744, 2902, 3080, 3430, 3773, 4312, 5390, 5804, 6860, 7255, 7546, 10157, 10780, 11608, 13720, 14510, 15092, 15961, 18865, 20314, 21560, 29020, 30184, 31922, 37730, 40628, 50785, 58040, 63844, 71099, 75460, 79805, 81256, 101570, 111727, 127688, 142198, 150920, 159610, 203140, 223454, 284396, 319220, 355495, 406280, 446908, 497693, 558635, 568792, 638440, 710990, 782089, 893816, 995386, 1117270, 1421980, 1564178, 1990772, 2234540, 2488465, 2843960, 3128356, 3910445, 3981544, 4469080, 4976930, 5474623, 6256712, 7820890, 9953860, 10949246, 15641780, 19907720, 21898492, 27373115, 31283560, 43796984, 54746230, 109492460, 218984920]

約数ペア:

[(1, 218984920), (2, 109492460), (4, 54746230), (5, 43796984), (7, 31283560), (8, 27373115), (10, 21898492), (11, 19907720), (14, 15641780), (20, 10949246), (22, 9953860), (28, 7820890), (35, 6256712), (40, 5474623), (44, 4976930), (49, 4469080), (55, 3981544), (56, 3910445), (70, 3128356), (77, 2843960), (88, 2488465), (98, 2234540), (110, 1990772), (140, 1564178), (154, 1421980), (196, 1117270), (220, 995386), (245, 893816), (280, 782089), (308, 710990), (343, 638440), (385, 568792), (392, 558635), (440, 497693), (490, 446908), (539, 406280), (616, 355495), (686, 319220), (770, 284396), (980, 223454), (1078, 203140), (1372, 159610), (1451, 150920), (1540, 142198), (1715, 127688), (1960, 111727), (2156, 101570), (2695, 81256), (2744, 79805), (2902, 75460), (3080, 71099), (3430, 63844), (3773, 58040), (4312, 50785), (5390, 40628), (5804, 37730), (6860, 31922), (7255, 30184), (7546, 29020), (10157, 21560), (10780, 20314), (11608, 18865), (13720, 15961), (14510, 15092)]