208273520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 240

約数和(自身を含む): 625772448

約数和(自身を除く): 417498928

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 61, 65, 67, 70, 80, 91, 98, 104, 112, 122, 130, 134, 140, 182, 196, 208, 244, 245, 260, 268, 280, 305, 335, 364, 392, 427, 455, 469, 488, 490, 520, 536, 560, 610, 637, 670, 728, 784, 793, 854, 871, 910, 938, 976, 980, 1040, 1072, 1220, 1274, 1340, 1456, 1586, 1708, 1742, 1820, 1876, 1960, 2135, 2345, 2440, 2548, 2680, 2989, 3172, 3185, 3283, 3416, 3484, 3640, 3752, 3920, 3965, 4087, 4270, 4355, 4690, 4880, 5096, 5360, 5551, 5978, 6097, 6344, 6370, 6566, 6832, 6968, 7280, 7504, 7930, 8174, 8540, 8710, 9380, 10192, 11102, 11956, 12194, 12688, 12740, 13132, 13936, 14945, 15860, 16348, 16415, 17080, 17420, 18760, 20435, 22204, 23912, 24388, 25480, 26264, 27755, 28609, 29890, 30485, 31720, 32696, 32830, 34160, 34840, 37520, 38857, 40870, 42679, 44408, 47824, 48776, 50960, 52528, 53131, 55510, 57218, 59780, 60970, 63440, 65392, 65660, 69680, 77714, 81740, 85358, 88816, 97552, 106262, 111020, 114436, 119560, 121940, 131320, 143045, 155428, 163480, 170716, 194285, 200263, 212524, 213395, 222040, 228872, 239120, 243880, 262640, 265655, 286090, 310856, 326960, 341432, 371917, 388570, 400526, 425048, 426790, 444080, 457744, 487760, 531310, 572180, 621712, 682864, 743834, 777140, 801052, 850096, 853580, 1001315, 1062620, 1144360, 1487668, 1554280, 1602104, 1707160, 1859585, 2002630, 2125240, 2288720, 2603419, 2975336, 3108560, 3204208, 3414320, 3719170, 4005260, 4250480, 5206838, 5950672, 7438340, 8010520, 10413676, 13017095, 14876680, 16021040, 20827352, 26034190, 29753360, 41654704, 52068380, 104136760, 208273520]

約数ペア:

[(1, 208273520), (2, 104136760), (4, 52068380), (5, 41654704), (7, 29753360), (8, 26034190), (10, 20827352), (13, 16021040), (14, 14876680), (16, 13017095), (20, 10413676), (26, 8010520), (28, 7438340), (35, 5950672), (40, 5206838), (49, 4250480), (52, 4005260), (56, 3719170), (61, 3414320), (65, 3204208), (67, 3108560), (70, 2975336), (80, 2603419), (91, 2288720), (98, 2125240), (104, 2002630), (112, 1859585), (122, 1707160), (130, 1602104), (134, 1554280), (140, 1487668), (182, 1144360), (196, 1062620), (208, 1001315), (244, 853580), (245, 850096), (260, 801052), (268, 777140), (280, 743834), (305, 682864), (335, 621712), (364, 572180), (392, 531310), (427, 487760), (455, 457744), (469, 444080), (488, 426790), (490, 425048), (520, 400526), (536, 388570), (560, 371917), (610, 341432), (637, 326960), (670, 310856), (728, 286090), (784, 265655), (793, 262640), (854, 243880), (871, 239120), (910, 228872), (938, 222040), (976, 213395), (980, 212524), (1040, 200263), (1072, 194285), (1220, 170716), (1274, 163480), (1340, 155428), (1456, 143045), (1586, 131320), (1708, 121940), (1742, 119560), (1820, 114436), (1876, 111020), (1960, 106262), (2135, 97552), (2345, 88816), (2440, 85358), (2548, 81740), (2680, 77714), (2989, 69680), (3172, 65660), (3185, 65392), (3283, 63440), (3416, 60970), (3484, 59780), (3640, 57218), (3752, 55510), (3920, 53131), (3965, 52528), (4087, 50960), (4270, 48776), (4355, 47824), (4690, 44408), (4880, 42679), (5096, 40870), (5360, 38857), (5551, 37520), (5978, 34840), (6097, 34160), (6344, 32830), (6370, 32696), (6566, 31720), (6832, 30485), (6968, 29890), (7280, 28609), (7504, 27755), (7930, 26264), (8174, 25480), (8540, 24388), (8710, 23912), (9380, 22204), (10192, 20435), (11102, 18760), (11956, 17420), (12194, 17080), (12688, 16415), (12740, 16348), (13132, 15860), (13936, 14945)]