165550420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:582

約数の個数: 144

約数和(自身を含む): 451604160

約数和(自身を除く): 286053740

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 49, 68, 70, 76, 85, 95, 98, 119, 133, 140, 170, 190, 196, 238, 245, 266, 323, 340, 380, 476, 490, 523, 532, 595, 646, 665, 833, 931, 980, 1046, 1190, 1292, 1330, 1615, 1666, 1862, 2092, 2261, 2380, 2615, 2660, 3230, 3332, 3661, 3724, 4165, 4522, 4655, 5230, 6460, 7322, 8330, 8891, 9044, 9310, 9937, 10460, 11305, 14644, 15827, 16660, 17782, 18305, 18620, 19874, 22610, 25627, 31654, 35564, 36610, 39748, 44455, 45220, 49685, 51254, 62237, 63308, 69559, 73220, 79135, 88910, 99370, 102508, 124474, 128135, 139118, 158270, 168929, 177820, 198740, 248948, 256270, 278236, 311185, 316540, 337858, 347795, 435659, 486913, 512540, 622370, 675716, 695590, 844645, 871318, 973826, 1182503, 1244740, 1391180, 1689290, 1742636, 1947652, 2178295, 2365006, 2434565, 3378580, 4356590, 4730012, 4869130, 5912515, 8277521, 8713180, 9738260, 11825030, 16555042, 23650060, 33110084, 41387605, 82775210, 165550420]

約数ペア:

[(1, 165550420), (2, 82775210), (4, 41387605), (5, 33110084), (7, 23650060), (10, 16555042), (14, 11825030), (17, 9738260), (19, 8713180), (20, 8277521), (28, 5912515), (34, 4869130), (35, 4730012), (38, 4356590), (49, 3378580), (68, 2434565), (70, 2365006), (76, 2178295), (85, 1947652), (95, 1742636), (98, 1689290), (119, 1391180), (133, 1244740), (140, 1182503), (170, 973826), (190, 871318), (196, 844645), (238, 695590), (245, 675716), (266, 622370), (323, 512540), (340, 486913), (380, 435659), (476, 347795), (490, 337858), (523, 316540), (532, 311185), (595, 278236), (646, 256270), (665, 248948), (833, 198740), (931, 177820), (980, 168929), (1046, 158270), (1190, 139118), (1292, 128135), (1330, 124474), (1615, 102508), (1666, 99370), (1862, 88910), (2092, 79135), (2261, 73220), (2380, 69559), (2615, 63308), (2660, 62237), (3230, 51254), (3332, 49685), (3661, 45220), (3724, 44455), (4165, 39748), (4522, 36610), (4655, 35564), (5230, 31654), (6460, 25627), (7322, 22610), (8330, 19874), (8891, 18620), (9044, 18305), (9310, 17782), (9937, 16660), (10460, 15827), (11305, 14644)]