About the Number

213896640

213896639 ← → 213896641

2進数表記:1100101111111100110111000000

漢数字表記:二億千三百八十九万六千六百四十

素因数分解:

2 6 × 3 1 × 5 1 × 97 1 × 2297 1

素因数の和:2414
約数の個数: 112
約数和(自身を含む): 686421792
約数和(自身を除く): 472525152

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 97, 120, 160, 192, 194, 240, 291, 320, 388, 480, 485, 582, 776, 960, 970, 1164, 1455, 1552, 1940, 2297, 2328, 2910, 3104, 3880, 4594, 4656, 5820, 6208, 6891, 7760, 9188, 9312, 11485, 11640, 13782, 15520, 18376, 18624, 22970, 23280, 27564, 31040, 34455, 36752, 45940, 46560, 55128, 68910, 73504, 91880, 93120, 110256, 137820, 147008, 183760, 220512, 222809, 275640, 367520, 441024, 445618, 551280, 668427, 735040, 891236, 1102560, 1114045, 1336854, 1782472, 2205120, 2228090, 2673708, 3342135, 3564944, 4456180, 5347416, 6684270, 7129888, 8912360, 10694832, 13368540, 14259776, 17824720, 21389664, 26737080, 35649440, 42779328, 53474160, 71298880, 106948320, 213896640]

約数ペア:
[(1, 213896640), (2, 106948320), (3, 71298880), (4, 53474160), (5, 42779328), (6, 35649440), (8, 26737080), (10, 21389664), (12, 17824720), (15, 14259776), (16, 13368540), (20, 10694832), (24, 8912360), (30, 7129888), (32, 6684270), (40, 5347416), (48, 4456180), (60, 3564944), (64, 3342135), (80, 2673708), (96, 2228090), (97, 2205120), (120, 1782472), (160, 1336854), (192, 1114045), (194, 1102560), (240, 891236), (291, 735040), (320, 668427), (388, 551280), (480, 445618), (485, 441024), (582, 367520), (776, 275640), (960, 222809), (970, 220512), (1164, 183760), (1455, 147008), (1552, 137820), (1940, 110256), (2297, 93120), (2328, 91880), (2910, 73504), (3104, 68910), (3880, 55128), (4594, 46560), (4656, 45940), (5820, 36752), (6208, 34455), (6891, 31040), (7760, 27564), (9188, 23280), (9312, 22970), (11485, 18624), (11640, 18376), (13782, 15520)]

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