About the Number

201210256

201210255 ← → 201210257

2進数表記:1011111111100011100110010000

漢数字表記:二億百二十一万二百五十六

素因数分解:

2 4 × 13 1 × 23 1 × 137 1 × 307 1

素因数の和:488
約数の個数: 80
約数和(自身を含む): 442721664
約数和(自身を除く): 241511408

約数列:
[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 137, 184, 208, 274, 299, 307, 368, 548, 598, 614, 1096, 1196, 1228, 1781, 2192, 2392, 2456, 3151, 3562, 3991, 4784, 4912, 6302, 7061, 7124, 7982, 12604, 14122, 14248, 15964, 25208, 28244, 28496, 31928, 40963, 42059, 50416, 56488, 63856, 81926, 84118, 91793, 112976, 163852, 168236, 183586, 327704, 336472, 367172, 546767, 655408, 672944, 734344, 967357, 1093534, 1468688, 1934714, 2187068, 3869428, 4374136, 7738856, 8748272, 12575641, 15477712, 25151282, 50302564, 100605128, 201210256]

約数ペア:
[(1, 201210256), (2, 100605128), (4, 50302564), (8, 25151282), (13, 15477712), (16, 12575641), (23, 8748272), (26, 7738856), (46, 4374136), (52, 3869428), (92, 2187068), (104, 1934714), (137, 1468688), (184, 1093534), (208, 967357), (274, 734344), (299, 672944), (307, 655408), (368, 546767), (548, 367172), (598, 336472), (614, 327704), (1096, 183586), (1196, 168236), (1228, 163852), (1781, 112976), (2192, 91793), (2392, 84118), (2456, 81926), (3151, 63856), (3562, 56488), (3991, 50416), (4784, 42059), (4912, 40963), (6302, 31928), (7061, 28496), (7124, 28244), (7982, 25208), (12604, 15964), (14122, 14248)]

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