About the Number

145307988

145307987 ← → 145307989

2進数表記:1000101010010011100101010100

漢数字表記:一億四千五百三十万七千九百八十八

素因数分解:

2 2 × 3 2 × 7 1 × 197 1 × 2927 1

素因数の和:3141
約数の個数: 72
約数和(自身を含む): 422053632
約数和(自身を除く): 276745644

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 788, 1182, 1379, 1773, 2364, 2758, 2927, 3546, 4137, 5516, 5854, 7092, 8274, 8781, 11708, 12411, 16548, 17562, 20489, 24822, 26343, 35124, 40978, 49644, 52686, 61467, 81956, 105372, 122934, 184401, 245868, 368802, 576619, 737604, 1153238, 1729857, 2306476, 3459714, 4036333, 5189571, 6919428, 8072666, 10379142, 12108999, 16145332, 20758284, 24217998, 36326997, 48435996, 72653994, 145307988]

約数ペア:
[(1, 145307988), (2, 72653994), (3, 48435996), (4, 36326997), (6, 24217998), (7, 20758284), (9, 16145332), (12, 12108999), (14, 10379142), (18, 8072666), (21, 6919428), (28, 5189571), (36, 4036333), (42, 3459714), (63, 2306476), (84, 1729857), (126, 1153238), (197, 737604), (252, 576619), (394, 368802), (591, 245868), (788, 184401), (1182, 122934), (1379, 105372), (1773, 81956), (2364, 61467), (2758, 52686), (2927, 49644), (3546, 40978), (4137, 35124), (5516, 26343), (5854, 24822), (7092, 20489), (8274, 17562), (8781, 16548), (11708, 12411)]

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