804915200

素因数分解:

$2^{11}\times 5^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 2031120000

約数和(自身を除く): 1226204800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 128, 158, 160, 199, 200, 256, 316, 320, 395, 398, 400, 512, 632, 640, 790, 796, 800, 995, 1024, 1264, 1280, 1580, 1592, 1600, 1975, 1990, 2048, 2528, 2560, 3160, 3184, 3200, 3950, 3980, 4975, 5056, 5120, 6320, 6368, 6400, 7900, 7960, 9950, 10112, 10240, 12640, 12736, 12800, 15721, 15800, 15920, 19900, 20224, 25280, 25472, 25600, 31442, 31600, 31840, 39800, 40448, 50560, 50944, 51200, 62884, 63200, 63680, 78605, 79600, 80896, 101120, 101888, 125768, 126400, 127360, 157210, 159200, 161792, 202240, 203776, 251536, 252800, 254720, 314420, 318400, 393025, 404480, 407552, 503072, 505600, 509440, 628840, 636800, 786050, 808960, 1006144, 1011200, 1018880, 1257680, 1273600, 1572100, 2012288, 2022400, 2037760, 2515360, 2547200, 3144200, 4024576, 4044800, 5030720, 5094400, 6288400, 8049152, 10061440, 10188800, 12576800, 16098304, 20122880, 25153600, 32196608, 40245760, 50307200, 80491520, 100614400, 160983040, 201228800, 402457600, 804915200]

約数ペア:

[(1, 804915200), (2, 402457600), (4, 201228800), (5, 160983040), (8, 100614400), (10, 80491520), (16, 50307200), (20, 40245760), (25, 32196608), (32, 25153600), (40, 20122880), (50, 16098304), (64, 12576800), (79, 10188800), (80, 10061440), (100, 8049152), (128, 6288400), (158, 5094400), (160, 5030720), (199, 4044800), (200, 4024576), (256, 3144200), (316, 2547200), (320, 2515360), (395, 2037760), (398, 2022400), (400, 2012288), (512, 1572100), (632, 1273600), (640, 1257680), (790, 1018880), (796, 1011200), (800, 1006144), (995, 808960), (1024, 786050), (1264, 636800), (1280, 628840), (1580, 509440), (1592, 505600), (1600, 503072), (1975, 407552), (1990, 404480), (2048, 393025), (2528, 318400), (2560, 314420), (3160, 254720), (3184, 252800), (3200, 251536), (3950, 203776), (3980, 202240), (4975, 161792), (5056, 159200), (5120, 157210), (6320, 127360), (6368, 126400), (6400, 125768), (7900, 101888), (7960, 101120), (9950, 80896), (10112, 79600), (10240, 78605), (12640, 63680), (12736, 63200), (12800, 62884), (15721, 51200), (15800, 50944), (15920, 50560), (19900, 40448), (20224, 39800), (25280, 31840), (25472, 31600), (25600, 31442)]