About the Number

206984390

206984389 ← → 206984391

2進数表記:1100010101100101010011000110

漢数字表記:二億六百九十八万四千三百九十

素因数分解:

2 1 × 5 1 × 59 1 × 461 1 × 761 1

素因数の和:1288
約数の個数: 32
約数和(自身を含む): 380207520
約数和(自身を除く): 173223130

約数列:
[1, 2, 5, 10, 59, 118, 295, 461, 590, 761, 922, 1522, 2305, 3805, 4610, 7610, 27199, 44899, 54398, 89798, 135995, 224495, 271990, 350821, 448990, 701642, 1754105, 3508210, 20698439, 41396878, 103492195, 206984390]

約数ペア:
[(1, 206984390), (2, 103492195), (5, 41396878), (10, 20698439), (59, 3508210), (118, 1754105), (295, 701642), (461, 448990), (590, 350821), (761, 271990), (922, 224495), (1522, 135995), (2305, 89798), (3805, 54398), (4610, 44899), (7610, 27199)]

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