8517920390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:862

約数の個数: 96

約数和(自身を含む): 18060128064

約数和(自身を除く): 9542207674

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 157, 245, 263, 314, 421, 490, 526, 785, 842, 1099, 1315, 1570, 1841, 2105, 2198, 2630, 2947, 3682, 4210, 5495, 5894, 7693, 9205, 10990, 12887, 14735, 15386, 18410, 20629, 25774, 29470, 38465, 41258, 41291, 64435, 66097, 76930, 82582, 103145, 110723, 128870, 132194, 206290, 206455, 221446, 289037, 330485, 412910, 462679, 553615, 578074, 660970, 775061, 925358, 1107230, 1445185, 1550122, 2023259, 2313395, 2890370, 3238753, 3875305, 4046518, 4626790, 5425427, 6477506, 7750610, 10116295, 10850854, 16193765, 17383511, 20232590, 27127135, 32387530, 34767022, 54254270, 86917555, 121684577, 173835110, 243369154, 608422885, 851792039, 1216845770, 1703584078, 4258960195, 8517920390]

約数ペア:

[(1, 8517920390), (2, 4258960195), (5, 1703584078), (7, 1216845770), (10, 851792039), (14, 608422885), (35, 243369154), (49, 173835110), (70, 121684577), (98, 86917555), (157, 54254270), (245, 34767022), (263, 32387530), (314, 27127135), (421, 20232590), (490, 17383511), (526, 16193765), (785, 10850854), (842, 10116295), (1099, 7750610), (1315, 6477506), (1570, 5425427), (1841, 4626790), (2105, 4046518), (2198, 3875305), (2630, 3238753), (2947, 2890370), (3682, 2313395), (4210, 2023259), (5495, 1550122), (5894, 1445185), (7693, 1107230), (9205, 925358), (10990, 775061), (12887, 660970), (14735, 578074), (15386, 553615), (18410, 462679), (20629, 412910), (25774, 330485), (29470, 289037), (38465, 221446), (41258, 206455), (41291, 206290), (64435, 132194), (66097, 128870), (76930, 110723), (82582, 103145)]