390545688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:473

約数の個数: 128

約数和(自身を含む): 1096704000

約数和(自身を除く): 706158312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 149, 156, 186, 248, 271, 298, 312, 372, 403, 447, 542, 596, 744, 806, 813, 894, 1084, 1192, 1209, 1612, 1626, 1788, 1937, 2168, 2418, 3224, 3252, 3523, 3576, 3874, 4619, 4836, 5811, 6504, 7046, 7748, 8401, 9238, 9672, 10569, 11622, 13857, 14092, 15496, 16802, 18476, 21138, 23244, 25203, 27714, 28184, 33604, 36952, 40379, 42276, 46488, 50406, 55428, 60047, 67208, 80758, 84552, 100812, 109213, 110856, 120094, 121137, 161516, 180141, 201624, 218426, 240188, 242274, 323032, 327639, 360282, 436852, 480376, 484548, 524927, 655278, 720564, 873704, 969096, 1049854, 1251749, 1310556, 1441128, 1574781, 2099708, 2503498, 2621112, 3149562, 3755247, 4199416, 5006996, 6299124, 7510494, 10013992, 12598248, 15020988, 16272737, 30041976, 32545474, 48818211, 65090948, 97636422, 130181896, 195272844, 390545688]

約数ペア:

[(1, 390545688), (2, 195272844), (3, 130181896), (4, 97636422), (6, 65090948), (8, 48818211), (12, 32545474), (13, 30041976), (24, 16272737), (26, 15020988), (31, 12598248), (39, 10013992), (52, 7510494), (62, 6299124), (78, 5006996), (93, 4199416), (104, 3755247), (124, 3149562), (149, 2621112), (156, 2503498), (186, 2099708), (248, 1574781), (271, 1441128), (298, 1310556), (312, 1251749), (372, 1049854), (403, 969096), (447, 873704), (542, 720564), (596, 655278), (744, 524927), (806, 484548), (813, 480376), (894, 436852), (1084, 360282), (1192, 327639), (1209, 323032), (1612, 242274), (1626, 240188), (1788, 218426), (1937, 201624), (2168, 180141), (2418, 161516), (3224, 121137), (3252, 120094), (3523, 110856), (3576, 109213), (3874, 100812), (4619, 84552), (4836, 80758), (5811, 67208), (6504, 60047), (7046, 55428), (7748, 50406), (8401, 46488), (9238, 42276), (9672, 40379), (10569, 36952), (11622, 33604), (13857, 28184), (14092, 27714), (15496, 25203), (16802, 23244), (18476, 21138)]