21900800

素因数分解:

$2^9\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:116

約数の個数: 120

約数和(自身を含む): 57083400

約数和(自身を除く): 35182600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 59, 64, 80, 100, 116, 118, 128, 145, 160, 200, 232, 236, 256, 290, 295, 320, 400, 464, 472, 512, 580, 590, 640, 725, 800, 928, 944, 1160, 1180, 1280, 1450, 1475, 1600, 1711, 1856, 1888, 2320, 2360, 2560, 2900, 2950, 3200, 3422, 3712, 3776, 4640, 4720, 5800, 5900, 6400, 6844, 7424, 7552, 8555, 9280, 9440, 11600, 11800, 12800, 13688, 14848, 15104, 17110, 18560, 18880, 23200, 23600, 27376, 30208, 34220, 37120, 37760, 42775, 46400, 47200, 54752, 68440, 74240, 75520, 85550, 92800, 94400, 109504, 136880, 151040, 171100, 185600, 188800, 219008, 273760, 342200, 371200, 377600, 438016, 547520, 684400, 755200, 876032, 1095040, 1368800, 2190080, 2737600, 4380160, 5475200, 10950400, 21900800]

約数ペア:

[(1, 21900800), (2, 10950400), (4, 5475200), (5, 4380160), (8, 2737600), (10, 2190080), (16, 1368800), (20, 1095040), (25, 876032), (29, 755200), (32, 684400), (40, 547520), (50, 438016), (58, 377600), (59, 371200), (64, 342200), (80, 273760), (100, 219008), (116, 188800), (118, 185600), (128, 171100), (145, 151040), (160, 136880), (200, 109504), (232, 94400), (236, 92800), (256, 85550), (290, 75520), (295, 74240), (320, 68440), (400, 54752), (464, 47200), (472, 46400), (512, 42775), (580, 37760), (590, 37120), (640, 34220), (725, 30208), (800, 27376), (928, 23600), (944, 23200), (1160, 18880), (1180, 18560), (1280, 17110), (1450, 15104), (1475, 14848), (1600, 13688), (1711, 12800), (1856, 11800), (1888, 11600), (2320, 9440), (2360, 9280), (2560, 8555), (2900, 7552), (2950, 7424), (3200, 6844), (3422, 6400), (3712, 5900), (3776, 5800), (4640, 4720)]