289387520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:2003

約数の個数: 88

約数和(自身を含む): 718497000

約数和(自身を除く): 429109480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1024, 1160, 1280, 1856, 1949, 2320, 2560, 3712, 3898, 4640, 5120, 7424, 7796, 9280, 9745, 14848, 15592, 18560, 19490, 29696, 31184, 37120, 38980, 56521, 62368, 74240, 77960, 113042, 124736, 148480, 155920, 226084, 249472, 282605, 311840, 452168, 498944, 565210, 623680, 904336, 997888, 1130420, 1247360, 1808672, 1995776, 2260840, 2494720, 3617344, 4521680, 4989440, 7234688, 9043360, 9978880, 14469376, 18086720, 28938752, 36173440, 57877504, 72346880, 144693760, 289387520]

約数ペア:

[(1, 289387520), (2, 144693760), (4, 72346880), (5, 57877504), (8, 36173440), (10, 28938752), (16, 18086720), (20, 14469376), (29, 9978880), (32, 9043360), (40, 7234688), (58, 4989440), (64, 4521680), (80, 3617344), (116, 2494720), (128, 2260840), (145, 1995776), (160, 1808672), (232, 1247360), (256, 1130420), (290, 997888), (320, 904336), (464, 623680), (512, 565210), (580, 498944), (640, 452168), (928, 311840), (1024, 282605), (1160, 249472), (1280, 226084), (1856, 155920), (1949, 148480), (2320, 124736), (2560, 113042), (3712, 77960), (3898, 74240), (4640, 62368), (5120, 56521), (7424, 38980), (7796, 37120), (9280, 31184), (9745, 29696), (14848, 19490), (15592, 18560)]