212171960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{757}}^1$

素因数の和:806

約数の個数: 192

約数和(自身を含む): 653274720

約数和(自身を除く): 441102760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 88, 91, 98, 104, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 280, 286, 308, 364, 385, 392, 440, 455, 490, 520, 539, 572, 616, 637, 715, 728, 757, 770, 910, 980, 1001, 1078, 1144, 1274, 1430, 1514, 1540, 1820, 1960, 2002, 2156, 2548, 2695, 2860, 3028, 3080, 3185, 3640, 3785, 4004, 4312, 5005, 5096, 5299, 5390, 5720, 6056, 6370, 7007, 7570, 8008, 8327, 9841, 10010, 10598, 10780, 12740, 14014, 15140, 16654, 19682, 20020, 21196, 21560, 25480, 26495, 28028, 30280, 33308, 35035, 37093, 39364, 40040, 41635, 42392, 49205, 52990, 56056, 58289, 66616, 68887, 70070, 74186, 78728, 83270, 98410, 105980, 108251, 116578, 137774, 140140, 148372, 166540, 185465, 196820, 211960, 216502, 233156, 275548, 280280, 291445, 296744, 333080, 344435, 370930, 393640, 408023, 433004, 466312, 482209, 541255, 551096, 582890, 688870, 741860, 757757, 816046, 866008, 964418, 1082510, 1165780, 1377740, 1483720, 1515514, 1632092, 1928836, 2040115, 2165020, 2331560, 2411045, 2755480, 3031028, 3264184, 3788785, 3857672, 4080230, 4330040, 4822090, 5304299, 6062056, 7577570, 8160460, 9644180, 10608598, 15155140, 16320920, 19288360, 21217196, 26521495, 30310280, 42434392, 53042990, 106085980, 212171960]

約数ペア:

[(1, 212171960), (2, 106085980), (4, 53042990), (5, 42434392), (7, 30310280), (8, 26521495), (10, 21217196), (11, 19288360), (13, 16320920), (14, 15155140), (20, 10608598), (22, 9644180), (26, 8160460), (28, 7577570), (35, 6062056), (40, 5304299), (44, 4822090), (49, 4330040), (52, 4080230), (55, 3857672), (56, 3788785), (65, 3264184), (70, 3031028), (77, 2755480), (88, 2411045), (91, 2331560), (98, 2165020), (104, 2040115), (110, 1928836), (130, 1632092), (140, 1515514), (143, 1483720), (154, 1377740), (182, 1165780), (196, 1082510), (220, 964418), (245, 866008), (260, 816046), (280, 757757), (286, 741860), (308, 688870), (364, 582890), (385, 551096), (392, 541255), (440, 482209), (455, 466312), (490, 433004), (520, 408023), (539, 393640), (572, 370930), (616, 344435), (637, 333080), (715, 296744), (728, 291445), (757, 280280), (770, 275548), (910, 233156), (980, 216502), (1001, 211960), (1078, 196820), (1144, 185465), (1274, 166540), (1430, 148372), (1514, 140140), (1540, 137774), (1820, 116578), (1960, 108251), (2002, 105980), (2156, 98410), (2548, 83270), (2695, 78728), (2860, 74186), (3028, 70070), (3080, 68887), (3185, 66616), (3640, 58289), (3785, 56056), (4004, 52990), (4312, 49205), (5005, 42392), (5096, 41635), (5299, 40040), (5390, 39364), (5720, 37093), (6056, 35035), (6370, 33308), (7007, 30280), (7570, 28028), (8008, 26495), (8327, 25480), (9841, 21560), (10010, 21196), (10598, 20020), (10780, 19682), (12740, 16654), (14014, 15140)]