28122812740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{3529}}^1$

素因数の和:3686

約数の個数: 144

約数和(自身を含む): 67437543600

約数和(自身を除く): 39314730860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 89, 110, 121, 148, 178, 185, 220, 242, 356, 370, 407, 445, 484, 605, 740, 814, 890, 979, 1210, 1628, 1780, 1958, 2035, 2420, 3293, 3529, 3916, 4070, 4477, 4895, 6586, 7058, 8140, 8954, 9790, 10769, 13172, 14116, 16465, 17645, 17908, 19580, 21538, 22385, 32930, 35290, 36223, 38819, 43076, 44770, 53845, 65860, 70580, 72446, 77638, 89540, 107690, 130573, 144892, 155276, 181115, 194095, 215380, 261146, 314081, 362230, 388190, 398453, 427009, 522292, 628162, 652865, 724460, 776380, 796906, 854018, 1256324, 1305730, 1436303, 1570405, 1593812, 1708036, 1992265, 2135045, 2611460, 2872606, 3140810, 3454891, 3984530, 4270090, 5745212, 6281620, 6909782, 7181515, 7969060, 8540180, 11620997, 13819564, 14363030, 15799333, 17274455, 23241994, 28726060, 31598666, 34548910, 38003801, 46483988, 58104985, 63197332, 69097820, 76007602, 78996665, 116209970, 127830967, 152015204, 157993330, 190019005, 232419940, 255661934, 315986660, 380038010, 511323868, 639154835, 760076020, 1278309670, 1406140637, 2556619340, 2812281274, 5624562548, 7030703185, 14061406370, 28122812740]

約数ペア:

[(1, 28122812740), (2, 14061406370), (4, 7030703185), (5, 5624562548), (10, 2812281274), (11, 2556619340), (20, 1406140637), (22, 1278309670), (37, 760076020), (44, 639154835), (55, 511323868), (74, 380038010), (89, 315986660), (110, 255661934), (121, 232419940), (148, 190019005), (178, 157993330), (185, 152015204), (220, 127830967), (242, 116209970), (356, 78996665), (370, 76007602), (407, 69097820), (445, 63197332), (484, 58104985), (605, 46483988), (740, 38003801), (814, 34548910), (890, 31598666), (979, 28726060), (1210, 23241994), (1628, 17274455), (1780, 15799333), (1958, 14363030), (2035, 13819564), (2420, 11620997), (3293, 8540180), (3529, 7969060), (3916, 7181515), (4070, 6909782), (4477, 6281620), (4895, 5745212), (6586, 4270090), (7058, 3984530), (8140, 3454891), (8954, 3140810), (9790, 2872606), (10769, 2611460), (13172, 2135045), (14116, 1992265), (16465, 1708036), (17645, 1593812), (17908, 1570405), (19580, 1436303), (21538, 1305730), (22385, 1256324), (32930, 854018), (35290, 796906), (36223, 776380), (38819, 724460), (43076, 652865), (44770, 628162), (53845, 522292), (65860, 427009), (70580, 398453), (72446, 388190), (77638, 362230), (89540, 314081), (107690, 261146), (130573, 215380), (144892, 194095), (155276, 181115)]