2729120170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1997}}^1\times {\mathrm{2789}}^1$

素因数の和:4807

約数の個数: 48

約数和(自身を含む): 5719354920

約数和(自身を除く): 2990234750

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1997, 2789, 3994, 5578, 9985, 13945, 13979, 19523, 19970, 27890, 27958, 39046, 69895, 97615, 97853, 136661, 139790, 195230, 195706, 273322, 489265, 683305, 978530, 1366610, 5569633, 11139266, 27848165, 38987431, 55696330, 77974862, 194937155, 272912017, 389874310, 545824034, 1364560085, 2729120170]

約数ペア:

[(1, 2729120170), (2, 1364560085), (5, 545824034), (7, 389874310), (10, 272912017), (14, 194937155), (35, 77974862), (49, 55696330), (70, 38987431), (98, 27848165), (245, 11139266), (490, 5569633), (1997, 1366610), (2789, 978530), (3994, 683305), (5578, 489265), (9985, 273322), (13945, 195706), (13979, 195230), (19523, 139790), (19970, 136661), (27890, 97853), (27958, 97615), (39046, 69895)]