About the Number

288882020

288882019 ← → 288882021

2進数表記:10001001101111111110101100100

漢数字表記:二億八千八百八十八万二千二十

素因数分解:

2 2 × 5 1 × 7 1 × 17 1 × 121379 1

素因数の和:121412
約数の個数: 48
約数和(自身を含む): 734106240
約数和(自身を除く): 445224220

約数列:
[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 121379, 242758, 485516, 606895, 849653, 1213790, 1699306, 2063443, 2427580, 3398612, 4126886, 4248265, 8253772, 8496530, 10317215, 14444101, 16993060, 20634430, 28888202, 41268860, 57776404, 72220505, 144441010, 288882020]

約数ペア:
[(1, 288882020), (2, 144441010), (4, 72220505), (5, 57776404), (7, 41268860), (10, 28888202), (14, 20634430), (17, 16993060), (20, 14444101), (28, 10317215), (34, 8496530), (35, 8253772), (68, 4248265), (70, 4126886), (85, 3398612), (119, 2427580), (140, 2063443), (170, 1699306), (238, 1213790), (340, 849653), (476, 606895), (595, 485516), (1190, 242758), (2380, 121379)]

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