199667200

素因数分解:

$2^9\times 5^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:868

約数の個数: 120

約数和(自身を含む): 521361720

約数和(自身を除く): 321694520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 304, 320, 380, 400, 475, 512, 608, 640, 760, 800, 821, 950, 1216, 1280, 1520, 1600, 1642, 1900, 2432, 2560, 3040, 3200, 3284, 3800, 4105, 4864, 6080, 6400, 6568, 7600, 8210, 9728, 12160, 12800, 13136, 15200, 15599, 16420, 20525, 24320, 26272, 30400, 31198, 32840, 41050, 48640, 52544, 60800, 62396, 65680, 77995, 82100, 105088, 121600, 124792, 131360, 155990, 164200, 210176, 243200, 249584, 262720, 311980, 328400, 389975, 420352, 499168, 525440, 623960, 656800, 779950, 998336, 1050880, 1247920, 1313600, 1559900, 1996672, 2101760, 2495840, 2627200, 3119800, 3993344, 4991680, 5254400, 6239600, 7986688, 9983360, 10508800, 12479200, 19966720, 24958400, 39933440, 49916800, 99833600, 199667200]

約数ペア:

[(1, 199667200), (2, 99833600), (4, 49916800), (5, 39933440), (8, 24958400), (10, 19966720), (16, 12479200), (19, 10508800), (20, 9983360), (25, 7986688), (32, 6239600), (38, 5254400), (40, 4991680), (50, 3993344), (64, 3119800), (76, 2627200), (80, 2495840), (95, 2101760), (100, 1996672), (128, 1559900), (152, 1313600), (160, 1247920), (190, 1050880), (200, 998336), (256, 779950), (304, 656800), (320, 623960), (380, 525440), (400, 499168), (475, 420352), (512, 389975), (608, 328400), (640, 311980), (760, 262720), (800, 249584), (821, 243200), (950, 210176), (1216, 164200), (1280, 155990), (1520, 131360), (1600, 124792), (1642, 121600), (1900, 105088), (2432, 82100), (2560, 77995), (3040, 65680), (3200, 62396), (3284, 60800), (3800, 52544), (4105, 48640), (4864, 41050), (6080, 32840), (6400, 31198), (6568, 30400), (7600, 26272), (8210, 24320), (9728, 20525), (12160, 16420), (12800, 15599), (13136, 15200)]