56642800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 120

約数和(自身を含む): 148762800

約数和(自身を除く): 92120000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 38, 40, 50, 58, 76, 80, 95, 100, 116, 145, 152, 190, 200, 232, 257, 290, 304, 380, 400, 464, 475, 514, 551, 580, 725, 760, 950, 1028, 1102, 1160, 1285, 1450, 1520, 1900, 2056, 2204, 2320, 2570, 2755, 2900, 3800, 4112, 4408, 4883, 5140, 5510, 5800, 6425, 7453, 7600, 8816, 9766, 10280, 11020, 11600, 12850, 13775, 14906, 19532, 20560, 22040, 24415, 25700, 27550, 29812, 37265, 39064, 44080, 48830, 51400, 55100, 59624, 74530, 78128, 97660, 102800, 110200, 119248, 122075, 141607, 149060, 186325, 195320, 220400, 244150, 283214, 298120, 372650, 390640, 488300, 566428, 596240, 708035, 745300, 976600, 1132856, 1416070, 1490600, 1953200, 2265712, 2832140, 2981200, 3540175, 5664280, 7080350, 11328560, 14160700, 28321400, 56642800]

約数ペア:

[(1, 56642800), (2, 28321400), (4, 14160700), (5, 11328560), (8, 7080350), (10, 5664280), (16, 3540175), (19, 2981200), (20, 2832140), (25, 2265712), (29, 1953200), (38, 1490600), (40, 1416070), (50, 1132856), (58, 976600), (76, 745300), (80, 708035), (95, 596240), (100, 566428), (116, 488300), (145, 390640), (152, 372650), (190, 298120), (200, 283214), (232, 244150), (257, 220400), (290, 195320), (304, 186325), (380, 149060), (400, 141607), (464, 122075), (475, 119248), (514, 110200), (551, 102800), (580, 97660), (725, 78128), (760, 74530), (950, 59624), (1028, 55100), (1102, 51400), (1160, 48830), (1285, 44080), (1450, 39064), (1520, 37265), (1900, 29812), (2056, 27550), (2204, 25700), (2320, 24415), (2570, 22040), (2755, 20560), (2900, 19532), (3800, 14906), (4112, 13775), (4408, 12850), (4883, 11600), (5140, 11020), (5510, 10280), (5800, 9766), (6425, 8816), (7453, 7600)]