290400579

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 564019200

約数和(自身を除く): 273618621

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 63, 67, 71, 119, 133, 153, 171, 189, 201, 213, 323, 357, 399, 459, 469, 497, 513, 603, 639, 969, 1071, 1139, 1197, 1207, 1273, 1349, 1407, 1491, 1809, 1917, 2261, 2907, 3213, 3417, 3591, 3621, 3819, 4047, 4221, 4473, 4757, 6783, 7973, 8449, 8721, 8911, 9443, 10251, 10863, 11457, 12141, 12663, 13419, 14271, 20349, 21641, 22933, 23919, 25347, 26733, 28329, 30753, 32589, 33299, 34371, 36423, 42813, 61047, 64923, 68799, 71757, 76041, 80199, 80869, 84987, 90383, 99897, 128439, 151487, 160531, 194769, 206397, 215271, 228123, 240597, 242607, 254961, 271149, 299691, 454461, 481593, 566083, 584307, 619191, 632681, 727821, 813447, 899073, 1363383, 1444779, 1536511, 1698249, 1898043, 2183463, 2440341, 4090149, 4334337, 4609533, 5094747, 5694129, 10755577, 13828599, 15284241, 17082387, 32266731, 41485797, 96800193, 290400579]

約数ペア:

[(1, 290400579), (3, 96800193), (7, 41485797), (9, 32266731), (17, 17082387), (19, 15284241), (21, 13828599), (27, 10755577), (51, 5694129), (57, 5094747), (63, 4609533), (67, 4334337), (71, 4090149), (119, 2440341), (133, 2183463), (153, 1898043), (171, 1698249), (189, 1536511), (201, 1444779), (213, 1363383), (323, 899073), (357, 813447), (399, 727821), (459, 632681), (469, 619191), (497, 584307), (513, 566083), (603, 481593), (639, 454461), (969, 299691), (1071, 271149), (1139, 254961), (1197, 242607), (1207, 240597), (1273, 228123), (1349, 215271), (1407, 206397), (1491, 194769), (1809, 160531), (1917, 151487), (2261, 128439), (2907, 99897), (3213, 90383), (3417, 84987), (3591, 80869), (3621, 80199), (3819, 76041), (4047, 71757), (4221, 68799), (4473, 64923), (4757, 61047), (6783, 42813), (7973, 36423), (8449, 34371), (8721, 33299), (8911, 32589), (9443, 30753), (10251, 28329), (10863, 26733), (11457, 25347), (12141, 23919), (12663, 22933), (13419, 21641), (14271, 20349)]