205574600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1907}}^1$

素因数の和:1948

約数の個数: 144

約数和(自身を含む): 606858480

約数和(自身を除く): 401283880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 88, 98, 100, 110, 140, 154, 175, 196, 200, 220, 245, 275, 280, 308, 350, 385, 392, 440, 490, 539, 550, 616, 700, 770, 980, 1078, 1100, 1225, 1400, 1540, 1907, 1925, 1960, 2156, 2200, 2450, 2695, 3080, 3814, 3850, 4312, 4900, 5390, 7628, 7700, 9535, 9800, 10780, 13349, 13475, 15256, 15400, 19070, 20977, 21560, 26698, 26950, 38140, 41954, 47675, 53396, 53900, 66745, 76280, 83908, 93443, 95350, 104885, 106792, 107800, 133490, 146839, 167816, 186886, 190700, 209770, 266980, 293678, 333725, 373772, 381400, 419540, 467215, 524425, 533960, 587356, 667450, 734195, 747544, 839080, 934430, 1027873, 1048850, 1174712, 1334900, 1468390, 1868860, 2055746, 2097700, 2336075, 2669800, 2936780, 3670975, 3737720, 4111492, 4195400, 4672150, 5139365, 5873560, 7341950, 8222984, 9344300, 10278730, 14683900, 18688600, 20557460, 25696825, 29367800, 41114920, 51393650, 102787300, 205574600]

約数ペア:

[(1, 205574600), (2, 102787300), (4, 51393650), (5, 41114920), (7, 29367800), (8, 25696825), (10, 20557460), (11, 18688600), (14, 14683900), (20, 10278730), (22, 9344300), (25, 8222984), (28, 7341950), (35, 5873560), (40, 5139365), (44, 4672150), (49, 4195400), (50, 4111492), (55, 3737720), (56, 3670975), (70, 2936780), (77, 2669800), (88, 2336075), (98, 2097700), (100, 2055746), (110, 1868860), (140, 1468390), (154, 1334900), (175, 1174712), (196, 1048850), (200, 1027873), (220, 934430), (245, 839080), (275, 747544), (280, 734195), (308, 667450), (350, 587356), (385, 533960), (392, 524425), (440, 467215), (490, 419540), (539, 381400), (550, 373772), (616, 333725), (700, 293678), (770, 266980), (980, 209770), (1078, 190700), (1100, 186886), (1225, 167816), (1400, 146839), (1540, 133490), (1907, 107800), (1925, 106792), (1960, 104885), (2156, 95350), (2200, 93443), (2450, 83908), (2695, 76280), (3080, 66745), (3814, 53900), (3850, 53396), (4312, 47675), (4900, 41954), (5390, 38140), (7628, 26950), (7700, 26698), (9535, 21560), (9800, 20977), (10780, 19070), (13349, 15400), (13475, 15256)]