255717770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 144

約数和(自身を含む): 622248480

約数和(自身を除く): 366530710

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 49, 55, 70, 77, 95, 98, 110, 121, 133, 154, 190, 209, 227, 242, 245, 266, 385, 418, 454, 490, 539, 605, 665, 770, 847, 931, 1045, 1078, 1135, 1210, 1330, 1463, 1589, 1694, 1862, 2090, 2270, 2299, 2497, 2695, 2926, 3178, 4235, 4313, 4598, 4655, 4994, 5390, 5929, 7315, 7945, 8470, 8626, 9310, 10241, 11123, 11495, 11858, 12485, 14630, 15890, 16093, 17479, 20482, 21565, 22246, 22990, 24970, 27467, 29645, 30191, 32186, 34958, 43130, 47443, 51205, 54934, 55615, 59290, 60382, 80465, 87395, 94886, 102410, 111230, 112651, 122353, 137335, 150955, 160930, 174790, 192269, 211337, 225302, 237215, 244706, 274670, 301910, 332101, 384538, 422674, 474430, 521873, 563255, 611765, 664202, 961345, 1043746, 1056685, 1126510, 1223530, 1345883, 1660505, 1922690, 2113370, 2324707, 2609365, 2691766, 3321010, 3653111, 4649414, 5218730, 6729415, 7306222, 11623535, 13458830, 18265555, 23247070, 25571777, 36531110, 51143554, 127858885, 255717770]

約数ペア:

[(1, 255717770), (2, 127858885), (5, 51143554), (7, 36531110), (10, 25571777), (11, 23247070), (14, 18265555), (19, 13458830), (22, 11623535), (35, 7306222), (38, 6729415), (49, 5218730), (55, 4649414), (70, 3653111), (77, 3321010), (95, 2691766), (98, 2609365), (110, 2324707), (121, 2113370), (133, 1922690), (154, 1660505), (190, 1345883), (209, 1223530), (227, 1126510), (242, 1056685), (245, 1043746), (266, 961345), (385, 664202), (418, 611765), (454, 563255), (490, 521873), (539, 474430), (605, 422674), (665, 384538), (770, 332101), (847, 301910), (931, 274670), (1045, 244706), (1078, 237215), (1135, 225302), (1210, 211337), (1330, 192269), (1463, 174790), (1589, 160930), (1694, 150955), (1862, 137335), (2090, 122353), (2270, 112651), (2299, 111230), (2497, 102410), (2695, 94886), (2926, 87395), (3178, 80465), (4235, 60382), (4313, 59290), (4598, 55615), (4655, 54934), (4994, 51205), (5390, 47443), (5929, 43130), (7315, 34958), (7945, 32186), (8470, 30191), (8626, 29645), (9310, 27467), (10241, 24970), (11123, 22990), (11495, 22246), (11858, 21565), (12485, 20482), (14630, 17479), (15890, 16093)]