About the Number

118220980

118220979 ← → 118220981

2進数表記:111000010111110100010110100

漢数字表記:一億千八百二十二万九百八十

素因数分解:

2 2 × 5 1 × 31 1 × 47 1 × 4057 1

素因数の和:4144
約数の個数: 48
約数和(自身を含む): 261789696
約数和(自身を除く): 143568716

約数列:
[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1457, 2914, 4057, 5828, 7285, 8114, 14570, 16228, 20285, 29140, 40570, 81140, 125767, 190679, 251534, 381358, 503068, 628835, 762716, 953395, 1257670, 1906790, 2515340, 3813580, 5911049, 11822098, 23644196, 29555245, 59110490, 118220980]

約数ペア:
[(1, 118220980), (2, 59110490), (4, 29555245), (5, 23644196), (10, 11822098), (20, 5911049), (31, 3813580), (47, 2515340), (62, 1906790), (94, 1257670), (124, 953395), (155, 762716), (188, 628835), (235, 503068), (310, 381358), (470, 251534), (620, 190679), (940, 125767), (1457, 81140), (2914, 40570), (4057, 29140), (5828, 20285), (7285, 16228), (8114, 14570)]

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