About the Number

201712380

201712379 ← → 201712381

2進数表記:1100000001011110001011111100

漢数字表記:二億百七十一万二千三百八十

素因数分解:

2 2 × 3 1 × 5 1 × 839 1 × 4007 1

素因数の和:4858
約数の個数: 48
約数和(自身を含む): 565608960
約数和(自身を除く): 363896580

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 839, 1678, 2517, 3356, 4007, 4195, 5034, 8014, 8390, 10068, 12021, 12585, 16028, 16780, 20035, 24042, 25170, 40070, 48084, 50340, 60105, 80140, 120210, 240420, 3361873, 6723746, 10085619, 13447492, 16809365, 20171238, 33618730, 40342476, 50428095, 67237460, 100856190, 201712380]

約数ペア:
[(1, 201712380), (2, 100856190), (3, 67237460), (4, 50428095), (5, 40342476), (6, 33618730), (10, 20171238), (12, 16809365), (15, 13447492), (20, 10085619), (30, 6723746), (60, 3361873), (839, 240420), (1678, 120210), (2517, 80140), (3356, 60105), (4007, 50340), (4195, 48084), (5034, 40070), (8014, 25170), (8390, 24042), (10068, 20035), (12021, 16780), (12585, 16028)]

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