778852802980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{384919}}^1$

素因数の和:385181

約数の個数: 96

約数和(自身を含む): 1901196864000

約数和(自身を除く): 1122344061020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 149, 194, 298, 388, 485, 596, 679, 745, 970, 1043, 1358, 1490, 1940, 2086, 2716, 2980, 3395, 4172, 5215, 6790, 10430, 13580, 14453, 20860, 28906, 57812, 72265, 101171, 144530, 202342, 289060, 384919, 404684, 505855, 769838, 1011710, 1539676, 1924595, 2023420, 2694433, 3849190, 5388866, 7698380, 10777732, 13472165, 26944330, 37337143, 53888660, 57352931, 74674286, 114705862, 149348572, 186685715, 229411724, 261360001, 286764655, 373371430, 401470517, 522720002, 573529310, 746742860, 802941034, 1045440004, 1147058620, 1306800005, 1605882068, 2007352585, 2613600010, 4014705170, 5227200020, 5563234307, 8029410340, 11126468614, 22252937228, 27816171535, 38942640149, 55632343070, 77885280298, 111264686140, 155770560596, 194713200745, 389426401490, 778852802980]

約数ペア:

[(1, 778852802980), (2, 389426401490), (4, 194713200745), (5, 155770560596), (7, 111264686140), (10, 77885280298), (14, 55632343070), (20, 38942640149), (28, 27816171535), (35, 22252937228), (70, 11126468614), (97, 8029410340), (140, 5563234307), (149, 5227200020), (194, 4014705170), (298, 2613600010), (388, 2007352585), (485, 1605882068), (596, 1306800005), (679, 1147058620), (745, 1045440004), (970, 802941034), (1043, 746742860), (1358, 573529310), (1490, 522720002), (1940, 401470517), (2086, 373371430), (2716, 286764655), (2980, 261360001), (3395, 229411724), (4172, 186685715), (5215, 149348572), (6790, 114705862), (10430, 74674286), (13580, 57352931), (14453, 53888660), (20860, 37337143), (28906, 26944330), (57812, 13472165), (72265, 10777732), (101171, 7698380), (144530, 5388866), (202342, 3849190), (289060, 2694433), (384919, 2023420), (404684, 1924595), (505855, 1539676), (769838, 1011710)]