2156440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 96

約数和(自身を含む): 5929200

約数和(自身を除く): 3772760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 29, 40, 44, 52, 55, 58, 65, 88, 104, 110, 116, 130, 143, 145, 169, 220, 232, 260, 286, 290, 319, 338, 377, 440, 520, 572, 580, 638, 676, 715, 754, 845, 1144, 1160, 1276, 1352, 1430, 1508, 1595, 1690, 1859, 1885, 2552, 2860, 3016, 3190, 3380, 3718, 3770, 4147, 4901, 5720, 6380, 6760, 7436, 7540, 8294, 9295, 9802, 12760, 14872, 15080, 16588, 18590, 19604, 20735, 24505, 33176, 37180, 39208, 41470, 49010, 53911, 74360, 82940, 98020, 107822, 165880, 196040, 215644, 269555, 431288, 539110, 1078220, 2156440]

約数ペア:

[(1, 2156440), (2, 1078220), (4, 539110), (5, 431288), (8, 269555), (10, 215644), (11, 196040), (13, 165880), (20, 107822), (22, 98020), (26, 82940), (29, 74360), (40, 53911), (44, 49010), (52, 41470), (55, 39208), (58, 37180), (65, 33176), (88, 24505), (104, 20735), (110, 19604), (116, 18590), (130, 16588), (143, 15080), (145, 14872), (169, 12760), (220, 9802), (232, 9295), (260, 8294), (286, 7540), (290, 7436), (319, 6760), (338, 6380), (377, 5720), (440, 4901), (520, 4147), (572, 3770), (580, 3718), (638, 3380), (676, 3190), (715, 3016), (754, 2860), (845, 2552), (1144, 1885), (1160, 1859), (1276, 1690), (1352, 1595), (1430, 1508)]