220809890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 487347840

約数和(自身を除く): 266537950

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 67, 70, 89, 115, 134, 161, 178, 230, 322, 335, 445, 469, 529, 623, 670, 805, 890, 938, 1058, 1246, 1541, 1610, 2047, 2345, 2645, 3082, 3115, 3703, 4094, 4690, 5290, 5963, 6230, 7406, 7705, 10235, 10787, 11926, 14329, 15410, 18515, 20470, 21574, 28658, 29815, 35443, 37030, 41741, 47081, 53935, 59630, 70886, 71645, 83482, 94162, 107870, 137149, 143290, 177215, 208705, 235405, 248101, 274298, 329567, 354430, 417410, 470810, 496202, 659134, 685745, 960043, 1240505, 1371490, 1647835, 1920086, 2481010, 3154427, 3295670, 4800215, 6308854, 9600430, 15772135, 22080989, 31544270, 44161978, 110404945, 220809890]

約数ペア:

[(1, 220809890), (2, 110404945), (5, 44161978), (7, 31544270), (10, 22080989), (14, 15772135), (23, 9600430), (35, 6308854), (46, 4800215), (67, 3295670), (70, 3154427), (89, 2481010), (115, 1920086), (134, 1647835), (161, 1371490), (178, 1240505), (230, 960043), (322, 685745), (335, 659134), (445, 496202), (469, 470810), (529, 417410), (623, 354430), (670, 329567), (805, 274298), (890, 248101), (938, 235405), (1058, 208705), (1246, 177215), (1541, 143290), (1610, 137149), (2047, 107870), (2345, 94162), (2645, 83482), (3082, 71645), (3115, 70886), (3703, 59630), (4094, 53935), (4690, 47081), (5290, 41741), (5963, 37030), (6230, 35443), (7406, 29815), (7705, 28658), (10235, 21574), (10787, 20470), (11926, 18515), (14329, 15410)]