About the Number

131991180

131991179 ← → 131991181

2進数表記:111110111100000011010001100

漢数字表記:一億三千百九十九万千百八十

素因数分解:

2 2 × 3 1 × 5 1 × 29 1 × 31 1 × 2447 1

素因数の和:2519
約数の個数: 96
約数和(自身を含む): 394813440
約数和(自身を除く): 262822260

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 58, 60, 62, 87, 93, 116, 124, 145, 155, 174, 186, 290, 310, 348, 372, 435, 465, 580, 620, 870, 899, 930, 1740, 1798, 1860, 2447, 2697, 3596, 4495, 4894, 5394, 7341, 8990, 9788, 10788, 12235, 13485, 14682, 17980, 24470, 26970, 29364, 36705, 48940, 53940, 70963, 73410, 75857, 141926, 146820, 151714, 212889, 227571, 283852, 303428, 354815, 379285, 425778, 455142, 709630, 758570, 851556, 910284, 1064445, 1137855, 1419260, 1517140, 2128890, 2199853, 2275710, 4257780, 4399706, 4551420, 6599559, 8799412, 10999265, 13199118, 21998530, 26398236, 32997795, 43997060, 65995590, 131991180]

約数ペア:
[(1, 131991180), (2, 65995590), (3, 43997060), (4, 32997795), (5, 26398236), (6, 21998530), (10, 13199118), (12, 10999265), (15, 8799412), (20, 6599559), (29, 4551420), (30, 4399706), (31, 4257780), (58, 2275710), (60, 2199853), (62, 2128890), (87, 1517140), (93, 1419260), (116, 1137855), (124, 1064445), (145, 910284), (155, 851556), (174, 758570), (186, 709630), (290, 455142), (310, 425778), (348, 379285), (372, 354815), (435, 303428), (465, 283852), (580, 227571), (620, 212889), (870, 151714), (899, 146820), (930, 141926), (1740, 75857), (1798, 73410), (1860, 70963), (2447, 53940), (2697, 48940), (3596, 36705), (4495, 29364), (4894, 26970), (5394, 24470), (7341, 17980), (8990, 14682), (9788, 13485), (10788, 12235)]

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