221497276

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 540546048

約数和(自身を除く): 319048772

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 47, 52, 77, 91, 94, 107, 121, 143, 154, 182, 188, 214, 242, 286, 308, 329, 364, 428, 484, 517, 572, 611, 658, 749, 847, 1001, 1034, 1177, 1222, 1316, 1391, 1498, 1573, 1694, 2002, 2068, 2354, 2444, 2782, 2996, 3146, 3388, 3619, 4004, 4277, 4708, 5029, 5564, 5687, 6292, 6721, 7238, 8239, 8554, 9737, 10058, 11011, 11374, 12947, 13442, 14476, 15301, 16478, 17108, 19474, 20116, 22022, 22748, 25894, 26884, 30602, 32956, 35203, 38948, 39809, 44044, 47047, 51788, 55319, 61204, 65377, 70406, 73931, 79618, 90629, 94094, 107107, 110638, 130754, 140812, 147862, 159236, 168311, 181258, 188188, 214214, 221276, 261508, 295724, 336622, 362516, 387233, 428428, 457639, 517517, 608509, 673244, 719147, 774466, 915278, 1035034, 1178177, 1217018, 1438294, 1548932, 1830556, 2070068, 2356354, 2434036, 2876588, 4259563, 4712708, 5034029, 7910617, 8519126, 10068058, 15821234, 17038252, 20136116, 31642468, 55374319, 110748638, 221497276]

約数ペア:

[(1, 221497276), (2, 110748638), (4, 55374319), (7, 31642468), (11, 20136116), (13, 17038252), (14, 15821234), (22, 10068058), (26, 8519126), (28, 7910617), (44, 5034029), (47, 4712708), (52, 4259563), (77, 2876588), (91, 2434036), (94, 2356354), (107, 2070068), (121, 1830556), (143, 1548932), (154, 1438294), (182, 1217018), (188, 1178177), (214, 1035034), (242, 915278), (286, 774466), (308, 719147), (329, 673244), (364, 608509), (428, 517517), (484, 457639), (517, 428428), (572, 387233), (611, 362516), (658, 336622), (749, 295724), (847, 261508), (1001, 221276), (1034, 214214), (1177, 188188), (1222, 181258), (1316, 168311), (1391, 159236), (1498, 147862), (1573, 140812), (1694, 130754), (2002, 110638), (2068, 107107), (2354, 94094), (2444, 90629), (2782, 79618), (2996, 73931), (3146, 70406), (3388, 65377), (3619, 61204), (4004, 55319), (4277, 51788), (4708, 47047), (5029, 44044), (5564, 39809), (5687, 38948), (6292, 35203), (6721, 32956), (7238, 30602), (8239, 26884), (8554, 25894), (9737, 22748), (10058, 22022), (11011, 20116), (11374, 19474), (12947, 17108), (13442, 16478), (14476, 15301)]