1796719925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 3092052096

約数和(自身を除く): 1295332171

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 61, 65, 77, 91, 107, 121, 143, 175, 275, 305, 325, 385, 427, 455, 535, 605, 671, 715, 749, 793, 847, 1001, 1177, 1391, 1525, 1573, 1925, 2135, 2275, 2675, 3025, 3355, 3575, 3745, 3965, 4235, 4697, 5005, 5551, 5885, 6527, 6955, 7381, 7865, 8239, 8723, 9737, 10675, 11011, 12947, 15301, 16775, 18725, 19825, 21175, 23485, 25025, 27755, 29425, 32635, 34775, 36905, 39325, 41195, 43615, 45689, 48685, 51667, 55055, 61061, 64735, 71797, 76505, 84851, 90629, 95953, 107107, 117425, 138775, 163175, 168311, 184525, 205975, 218075, 228445, 243425, 258335, 275275, 305305, 323675, 358985, 382525, 424255, 453145, 479765, 502579, 535535, 593957, 671671, 789767, 841555, 933361, 1142225, 1178177, 1291675, 1526525, 1794925, 2121275, 2265725, 2398825, 2512895, 2677675, 2969785, 3358355, 3948835, 4207775, 4666805, 5528369, 5890885, 6533527, 10266971, 12564475, 14848925, 16791775, 19744175, 23334025, 27641845, 29454425, 32667635, 51334855, 71868797, 138209225, 163338175, 256674275, 359343985, 1796719925]

約数ペア:

[(1, 1796719925), (5, 359343985), (7, 256674275), (11, 163338175), (13, 138209225), (25, 71868797), (35, 51334855), (55, 32667635), (61, 29454425), (65, 27641845), (77, 23334025), (91, 19744175), (107, 16791775), (121, 14848925), (143, 12564475), (175, 10266971), (275, 6533527), (305, 5890885), (325, 5528369), (385, 4666805), (427, 4207775), (455, 3948835), (535, 3358355), (605, 2969785), (671, 2677675), (715, 2512895), (749, 2398825), (793, 2265725), (847, 2121275), (1001, 1794925), (1177, 1526525), (1391, 1291675), (1525, 1178177), (1573, 1142225), (1925, 933361), (2135, 841555), (2275, 789767), (2675, 671671), (3025, 593957), (3355, 535535), (3575, 502579), (3745, 479765), (3965, 453145), (4235, 424255), (4697, 382525), (5005, 358985), (5551, 323675), (5885, 305305), (6527, 275275), (6955, 258335), (7381, 243425), (7865, 228445), (8239, 218075), (8723, 205975), (9737, 184525), (10675, 168311), (11011, 163175), (12947, 138775), (15301, 117425), (16775, 107107), (18725, 95953), (19825, 90629), (21175, 84851), (23485, 76505), (25025, 71797), (27755, 64735), (29425, 61061), (32635, 55055), (34775, 51667), (36905, 48685), (39325, 45689), (41195, 43615)]