205433360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 548000640

約数和(自身を除く): 342567280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 61, 80, 86, 88, 89, 110, 122, 172, 176, 178, 215, 220, 244, 305, 344, 356, 430, 440, 445, 473, 488, 610, 671, 688, 712, 860, 880, 890, 946, 976, 979, 1220, 1342, 1424, 1720, 1780, 1892, 1958, 2365, 2440, 2623, 2684, 3355, 3440, 3560, 3784, 3827, 3916, 4730, 4880, 4895, 5246, 5368, 5429, 6710, 7120, 7568, 7654, 7832, 9460, 9790, 10492, 10736, 10858, 13115, 13420, 15308, 15664, 18920, 19135, 19580, 20984, 21716, 26230, 26840, 27145, 28853, 30616, 37840, 38270, 39160, 41968, 42097, 43432, 52460, 53680, 54290, 57706, 59719, 61232, 76540, 78320, 84194, 86864, 104920, 108580, 115412, 119438, 144265, 153080, 168388, 209840, 210485, 217160, 230824, 233447, 238876, 288530, 298595, 306160, 336776, 420970, 434320, 461648, 466894, 477752, 577060, 597190, 673552, 841940, 933788, 955504, 1154120, 1167235, 1194380, 1683880, 1867576, 2308240, 2334470, 2388760, 2567917, 3367760, 3735152, 4668940, 4777520, 5135834, 9337880, 10271668, 12839585, 18675760, 20543336, 25679170, 41086672, 51358340, 102716680, 205433360]

約数ペア:

[(1, 205433360), (2, 102716680), (4, 51358340), (5, 41086672), (8, 25679170), (10, 20543336), (11, 18675760), (16, 12839585), (20, 10271668), (22, 9337880), (40, 5135834), (43, 4777520), (44, 4668940), (55, 3735152), (61, 3367760), (80, 2567917), (86, 2388760), (88, 2334470), (89, 2308240), (110, 1867576), (122, 1683880), (172, 1194380), (176, 1167235), (178, 1154120), (215, 955504), (220, 933788), (244, 841940), (305, 673552), (344, 597190), (356, 577060), (430, 477752), (440, 466894), (445, 461648), (473, 434320), (488, 420970), (610, 336776), (671, 306160), (688, 298595), (712, 288530), (860, 238876), (880, 233447), (890, 230824), (946, 217160), (976, 210485), (979, 209840), (1220, 168388), (1342, 153080), (1424, 144265), (1720, 119438), (1780, 115412), (1892, 108580), (1958, 104920), (2365, 86864), (2440, 84194), (2623, 78320), (2684, 76540), (3355, 61232), (3440, 59719), (3560, 57706), (3784, 54290), (3827, 53680), (3916, 52460), (4730, 43432), (4880, 42097), (4895, 41968), (5246, 39160), (5368, 38270), (5429, 37840), (6710, 30616), (7120, 28853), (7568, 27145), (7654, 26840), (7832, 26230), (9460, 21716), (9790, 20984), (10492, 19580), (10736, 19135), (10858, 18920), (13115, 15664), (13420, 15308)]