About the Number

199712230

199712229 ← → 199712231

2進数表記:1011111001110101110111100110

漢数字表記:一億九千九百七十一万二千二百三十

素因数分解:

2 1 × 5 1 × 19 1 × 31 1 × 41 1 × 827 1

素因数の和:925
約数の個数: 64
約数和(自身を含む): 400619520
約数和(自身を除く): 200907290

約数列:
[1, 2, 5, 10, 19, 31, 38, 41, 62, 82, 95, 155, 190, 205, 310, 410, 589, 779, 827, 1178, 1271, 1558, 1654, 2542, 2945, 3895, 4135, 5890, 6355, 7790, 8270, 12710, 15713, 24149, 25637, 31426, 33907, 48298, 51274, 67814, 78565, 120745, 128185, 157130, 169535, 241490, 256370, 339070, 487103, 644233, 974206, 1051117, 1288466, 2102234, 2435515, 3221165, 4871030, 5255585, 6442330, 10511170, 19971223, 39942446, 99856115, 199712230]

約数ペア:
[(1, 199712230), (2, 99856115), (5, 39942446), (10, 19971223), (19, 10511170), (31, 6442330), (38, 5255585), (41, 4871030), (62, 3221165), (82, 2435515), (95, 2102234), (155, 1288466), (190, 1051117), (205, 974206), (310, 644233), (410, 487103), (589, 339070), (779, 256370), (827, 241490), (1178, 169535), (1271, 157130), (1558, 128185), (1654, 120745), (2542, 78565), (2945, 67814), (3895, 51274), (4135, 48298), (5890, 33907), (6355, 31426), (7790, 25637), (8270, 24149), (12710, 15713)]

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