87131800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:570

約数の個数: 144

約数和(自身を含む): 249995160

約数和(自身を除く): 162863360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 49, 50, 56, 68, 70, 85, 98, 100, 119, 136, 140, 170, 175, 196, 200, 238, 245, 280, 340, 350, 392, 425, 476, 490, 523, 595, 680, 700, 833, 850, 952, 980, 1046, 1190, 1225, 1400, 1666, 1700, 1960, 2092, 2380, 2450, 2615, 2975, 3332, 3400, 3661, 4165, 4184, 4760, 4900, 5230, 5950, 6664, 7322, 8330, 8891, 9800, 10460, 11900, 13075, 14644, 16660, 17782, 18305, 20825, 20920, 23800, 25627, 26150, 29288, 33320, 35564, 36610, 41650, 44455, 51254, 52300, 62237, 71128, 73220, 83300, 88910, 91525, 102508, 104600, 124474, 128135, 146440, 166600, 177820, 183050, 205016, 222275, 248948, 256270, 311185, 355640, 366100, 435659, 444550, 497896, 512540, 622370, 640675, 732200, 871318, 889100, 1025080, 1244740, 1281350, 1555925, 1742636, 1778200, 2178295, 2489480, 2562700, 3111850, 3485272, 4356590, 5125400, 6223700, 8713180, 10891475, 12447400, 17426360, 21782950, 43565900, 87131800]

約数ペア:

[(1, 87131800), (2, 43565900), (4, 21782950), (5, 17426360), (7, 12447400), (8, 10891475), (10, 8713180), (14, 6223700), (17, 5125400), (20, 4356590), (25, 3485272), (28, 3111850), (34, 2562700), (35, 2489480), (40, 2178295), (49, 1778200), (50, 1742636), (56, 1555925), (68, 1281350), (70, 1244740), (85, 1025080), (98, 889100), (100, 871318), (119, 732200), (136, 640675), (140, 622370), (170, 512540), (175, 497896), (196, 444550), (200, 435659), (238, 366100), (245, 355640), (280, 311185), (340, 256270), (350, 248948), (392, 222275), (425, 205016), (476, 183050), (490, 177820), (523, 166600), (595, 146440), (680, 128135), (700, 124474), (833, 104600), (850, 102508), (952, 91525), (980, 88910), (1046, 83300), (1190, 73220), (1225, 71128), (1400, 62237), (1666, 52300), (1700, 51254), (1960, 44455), (2092, 41650), (2380, 36610), (2450, 35564), (2615, 33320), (2975, 29288), (3332, 26150), (3400, 25627), (3661, 23800), (4165, 20920), (4184, 20825), (4760, 18305), (4900, 17782), (5230, 16660), (5950, 14644), (6664, 13075), (7322, 11900), (8330, 10460), (8891, 9800)]