About the Number

201223780

201223779 ← → 201223781

2進数表記:1011111111100110111001100100

漢数字表記:二億百二十二万三千七百八十

素因数分解:

2 2 × 5 1 × 23 1 × 67 1 × 6529 1

素因数の和:6628
約数の個数: 48
約数和(自身を含む): 447592320
約数和(自身を除く): 246368540

約数列:
[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 670, 1340, 1541, 3082, 6164, 6529, 7705, 13058, 15410, 26116, 30820, 32645, 65290, 130580, 150167, 300334, 437443, 600668, 750835, 874886, 1501670, 1749772, 2187215, 3003340, 4374430, 8748860, 10061189, 20122378, 40244756, 50305945, 100611890, 201223780]

約数ペア:
[(1, 201223780), (2, 100611890), (4, 50305945), (5, 40244756), (10, 20122378), (20, 10061189), (23, 8748860), (46, 4374430), (67, 3003340), (92, 2187215), (115, 1749772), (134, 1501670), (230, 874886), (268, 750835), (335, 600668), (460, 437443), (670, 300334), (1340, 150167), (1541, 130580), (3082, 65290), (6164, 32645), (6529, 30820), (7705, 26116), (13058, 15410)]

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