About the Number

128021130

128021129 ← → 128021131

2進数表記:111101000010111001010001010

漢数字表記:一億二千八百二万千百三十

素因数分解:

2 1 × 3 2 × 5 1 × 967 1 × 1471 1

素因数の和:2451
約数の個数: 48
約数和(自身を含む): 333425664
約数和(自身を除く): 205404534

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 967, 1471, 1934, 2901, 2942, 4413, 4835, 5802, 7355, 8703, 8826, 9670, 13239, 14505, 14710, 17406, 22065, 26478, 29010, 43515, 44130, 66195, 87030, 132390, 1422457, 2844914, 4267371, 7112285, 8534742, 12802113, 14224570, 21336855, 25604226, 42673710, 64010565, 128021130]

約数ペア:
[(1, 128021130), (2, 64010565), (3, 42673710), (5, 25604226), (6, 21336855), (9, 14224570), (10, 12802113), (15, 8534742), (18, 7112285), (30, 4267371), (45, 2844914), (90, 1422457), (967, 132390), (1471, 87030), (1934, 66195), (2901, 44130), (2942, 43515), (4413, 29010), (4835, 26478), (5802, 22065), (7355, 17406), (8703, 14710), (8826, 14505), (9670, 13239)]

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