399923200

素因数分解:

$2^{11}\times 5^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 1014544440

約数和(自身を除く): 614621240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 73, 80, 100, 107, 128, 146, 160, 200, 214, 256, 292, 320, 365, 400, 428, 512, 535, 584, 640, 730, 800, 856, 1024, 1070, 1168, 1280, 1460, 1600, 1712, 1825, 2048, 2140, 2336, 2560, 2675, 2920, 3200, 3424, 3650, 4280, 4672, 5120, 5350, 5840, 6400, 6848, 7300, 7811, 8560, 9344, 10240, 10700, 11680, 12800, 13696, 14600, 15622, 17120, 18688, 21400, 23360, 25600, 27392, 29200, 31244, 34240, 37376, 39055, 42800, 46720, 51200, 54784, 58400, 62488, 68480, 74752, 78110, 85600, 93440, 109568, 116800, 124976, 136960, 149504, 156220, 171200, 186880, 195275, 219136, 233600, 249952, 273920, 312440, 342400, 373760, 390550, 467200, 499904, 547840, 624880, 684800, 747520, 781100, 934400, 999808, 1095680, 1249760, 1369600, 1562200, 1868800, 1999616, 2499520, 2739200, 3124400, 3737600, 3999232, 4999040, 5478400, 6248800, 7998464, 9998080, 12497600, 15996928, 19996160, 24995200, 39992320, 49990400, 79984640, 99980800, 199961600, 399923200]

約数ペア:

[(1, 399923200), (2, 199961600), (4, 99980800), (5, 79984640), (8, 49990400), (10, 39992320), (16, 24995200), (20, 19996160), (25, 15996928), (32, 12497600), (40, 9998080), (50, 7998464), (64, 6248800), (73, 5478400), (80, 4999040), (100, 3999232), (107, 3737600), (128, 3124400), (146, 2739200), (160, 2499520), (200, 1999616), (214, 1868800), (256, 1562200), (292, 1369600), (320, 1249760), (365, 1095680), (400, 999808), (428, 934400), (512, 781100), (535, 747520), (584, 684800), (640, 624880), (730, 547840), (800, 499904), (856, 467200), (1024, 390550), (1070, 373760), (1168, 342400), (1280, 312440), (1460, 273920), (1600, 249952), (1712, 233600), (1825, 219136), (2048, 195275), (2140, 186880), (2336, 171200), (2560, 156220), (2675, 149504), (2920, 136960), (3200, 124976), (3424, 116800), (3650, 109568), (4280, 93440), (4672, 85600), (5120, 78110), (5350, 74752), (5840, 68480), (6400, 62488), (6848, 58400), (7300, 54784), (7811, 51200), (8560, 46720), (9344, 42800), (10240, 39055), (10700, 37376), (11680, 34240), (12800, 31244), (13696, 29200), (14600, 27392), (15622, 25600), (17120, 23360), (18688, 21400)]