20760271490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{1459}}^1$

素因数の和:1960

約数の個数: 96

約数和(自身を含む): 44219779200

約数和(自身を除く): 23459507710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 409, 490, 497, 710, 818, 994, 1459, 2045, 2485, 2863, 2918, 3479, 4090, 4970, 5726, 6958, 7295, 10213, 14315, 14590, 17395, 20041, 20426, 28630, 29039, 34790, 40082, 51065, 58078, 71491, 100205, 102130, 103589, 142982, 145195, 200410, 203273, 207178, 290390, 357455, 406546, 517945, 596731, 714910, 725123, 1016365, 1035890, 1193462, 1422911, 1450246, 2032730, 2845822, 2983655, 3625615, 4177117, 5075861, 5967310, 7114555, 7251230, 8354234, 10151722, 14229110, 20885585, 25379305, 29239819, 41771170, 42367901, 50758610, 58479638, 84735802, 146199095, 211839505, 292398190, 296575307, 423679010, 593150614, 1482876535, 2076027149, 2965753070, 4152054298, 10380135745, 20760271490]

約数ペア:

[(1, 20760271490), (2, 10380135745), (5, 4152054298), (7, 2965753070), (10, 2076027149), (14, 1482876535), (35, 593150614), (49, 423679010), (70, 296575307), (71, 292398190), (98, 211839505), (142, 146199095), (245, 84735802), (355, 58479638), (409, 50758610), (490, 42367901), (497, 41771170), (710, 29239819), (818, 25379305), (994, 20885585), (1459, 14229110), (2045, 10151722), (2485, 8354234), (2863, 7251230), (2918, 7114555), (3479, 5967310), (4090, 5075861), (4970, 4177117), (5726, 3625615), (6958, 2983655), (7295, 2845822), (10213, 2032730), (14315, 1450246), (14590, 1422911), (17395, 1193462), (20041, 1035890), (20426, 1016365), (28630, 725123), (29039, 714910), (34790, 596731), (40082, 517945), (51065, 406546), (58078, 357455), (71491, 290390), (100205, 207178), (102130, 203273), (103589, 200410), (142982, 145195)]