205261980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{577}}^1$

素因数の和:625

約数の個数: 216

約数和(自身を含む): 736145424

約数和(自身を除く): 530883444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 121, 132, 140, 147, 154, 165, 196, 210, 220, 231, 242, 245, 294, 308, 330, 363, 385, 420, 462, 484, 490, 539, 577, 588, 605, 660, 726, 735, 770, 847, 924, 980, 1078, 1154, 1155, 1210, 1452, 1470, 1540, 1617, 1694, 1731, 1815, 2156, 2308, 2310, 2420, 2541, 2695, 2885, 2940, 3234, 3388, 3462, 3630, 4039, 4235, 4620, 5082, 5390, 5770, 5929, 6347, 6468, 6924, 7260, 8078, 8085, 8470, 8655, 10164, 10780, 11540, 11858, 12117, 12694, 12705, 16156, 16170, 16940, 17310, 17787, 19041, 20195, 23716, 24234, 25388, 25410, 28273, 29645, 31735, 32340, 34620, 35574, 38082, 40390, 44429, 48468, 50820, 56546, 59290, 60585, 63470, 69817, 71148, 76164, 80780, 84819, 88858, 88935, 95205, 113092, 118580, 121170, 126940, 133287, 139634, 141365, 169638, 177716, 177870, 190410, 209451, 222145, 242340, 266574, 279268, 282730, 311003, 339276, 349085, 355740, 380820, 418902, 424095, 444290, 488719, 533148, 565460, 622006, 666435, 698170, 837804, 848190, 888580, 933009, 977438, 1047255, 1244012, 1332870, 1396340, 1466157, 1555015, 1696380, 1866018, 1954876, 2094510, 2443595, 2665740, 2932314, 3110030, 3421033, 3732036, 4189020, 4665045, 4887190, 5864628, 6220060, 6842066, 7330785, 9330090, 9774380, 10263099, 13684132, 14661570, 17105165, 18660180, 20526198, 29323140, 34210330, 41052396, 51315495, 68420660, 102630990, 205261980]

約数ペア:

[(1, 205261980), (2, 102630990), (3, 68420660), (4, 51315495), (5, 41052396), (6, 34210330), (7, 29323140), (10, 20526198), (11, 18660180), (12, 17105165), (14, 14661570), (15, 13684132), (20, 10263099), (21, 9774380), (22, 9330090), (28, 7330785), (30, 6842066), (33, 6220060), (35, 5864628), (42, 4887190), (44, 4665045), (49, 4189020), (55, 3732036), (60, 3421033), (66, 3110030), (70, 2932314), (77, 2665740), (84, 2443595), (98, 2094510), (105, 1954876), (110, 1866018), (121, 1696380), (132, 1555015), (140, 1466157), (147, 1396340), (154, 1332870), (165, 1244012), (196, 1047255), (210, 977438), (220, 933009), (231, 888580), (242, 848190), (245, 837804), (294, 698170), (308, 666435), (330, 622006), (363, 565460), (385, 533148), (420, 488719), (462, 444290), (484, 424095), (490, 418902), (539, 380820), (577, 355740), (588, 349085), (605, 339276), (660, 311003), (726, 282730), (735, 279268), (770, 266574), (847, 242340), (924, 222145), (980, 209451), (1078, 190410), (1154, 177870), (1155, 177716), (1210, 169638), (1452, 141365), (1470, 139634), (1540, 133287), (1617, 126940), (1694, 121170), (1731, 118580), (1815, 113092), (2156, 95205), (2308, 88935), (2310, 88858), (2420, 84819), (2541, 80780), (2695, 76164), (2885, 71148), (2940, 69817), (3234, 63470), (3388, 60585), (3462, 59290), (3630, 56546), (4039, 50820), (4235, 48468), (4620, 44429), (5082, 40390), (5390, 38082), (5770, 35574), (5929, 34620), (6347, 32340), (6468, 31735), (6924, 29645), (7260, 28273), (8078, 25410), (8085, 25388), (8470, 24234), (8655, 23716), (10164, 20195), (10780, 19041), (11540, 17787), (11858, 17310), (12117, 16940), (12694, 16170), (12705, 16156)]