210591920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2059

約数の個数: 160

約数和(自身を含む): 646672896

約数和(自身を除く): 436080976

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 110, 112, 119, 136, 140, 154, 170, 176, 187, 220, 238, 272, 280, 308, 340, 374, 385, 440, 476, 560, 595, 616, 680, 748, 770, 880, 935, 952, 1190, 1232, 1309, 1360, 1496, 1540, 1870, 1904, 2011, 2380, 2618, 2992, 3080, 3740, 4022, 4760, 5236, 6160, 6545, 7480, 8044, 9520, 10055, 10472, 13090, 14077, 14960, 16088, 20110, 20944, 22121, 26180, 28154, 32176, 34187, 40220, 44242, 52360, 56308, 68374, 70385, 80440, 88484, 104720, 110605, 112616, 136748, 140770, 154847, 160880, 170935, 176968, 221210, 225232, 239309, 273496, 281540, 309694, 341870, 353936, 376057, 442420, 478618, 546992, 563080, 619388, 683740, 752114, 774235, 884840, 957236, 1126160, 1196545, 1238776, 1367480, 1504228, 1548470, 1769680, 1880285, 1914472, 2393090, 2477552, 2632399, 2734960, 3008456, 3096940, 3760570, 3828944, 4786180, 5264798, 6016912, 6193880, 7521140, 9572360, 10529596, 12387760, 13161995, 15042280, 19144720, 21059192, 26323990, 30084560, 42118384, 52647980, 105295960, 210591920]

約数ペア:

[(1, 210591920), (2, 105295960), (4, 52647980), (5, 42118384), (7, 30084560), (8, 26323990), (10, 21059192), (11, 19144720), (14, 15042280), (16, 13161995), (17, 12387760), (20, 10529596), (22, 9572360), (28, 7521140), (34, 6193880), (35, 6016912), (40, 5264798), (44, 4786180), (55, 3828944), (56, 3760570), (68, 3096940), (70, 3008456), (77, 2734960), (80, 2632399), (85, 2477552), (88, 2393090), (110, 1914472), (112, 1880285), (119, 1769680), (136, 1548470), (140, 1504228), (154, 1367480), (170, 1238776), (176, 1196545), (187, 1126160), (220, 957236), (238, 884840), (272, 774235), (280, 752114), (308, 683740), (340, 619388), (374, 563080), (385, 546992), (440, 478618), (476, 442420), (560, 376057), (595, 353936), (616, 341870), (680, 309694), (748, 281540), (770, 273496), (880, 239309), (935, 225232), (952, 221210), (1190, 176968), (1232, 170935), (1309, 160880), (1360, 154847), (1496, 140770), (1540, 136748), (1870, 112616), (1904, 110605), (2011, 104720), (2380, 88484), (2618, 80440), (2992, 70385), (3080, 68374), (3740, 56308), (4022, 52360), (4760, 44242), (5236, 40220), (6160, 34187), (6545, 32176), (7480, 28154), (8044, 26180), (9520, 22121), (10055, 20944), (10472, 20110), (13090, 16088), (14077, 14960)]