About the Number

101028788

101028787 ← → 101028789

2進数表記:110000001011001001110110100

漢数字表記:一億百二万八千七百八十八

素因数分解:

2 2 × 7 2 × 23 1 × 73 1 × 307 1

素因数の和:421
約数の個数: 72
約数和(自身を含む): 218256192
約数和(自身を除く): 117227404

約数列:
[1, 2, 4, 7, 14, 23, 28, 46, 49, 73, 92, 98, 146, 161, 196, 292, 307, 322, 511, 614, 644, 1022, 1127, 1228, 1679, 2044, 2149, 2254, 3358, 3577, 4298, 4508, 6716, 7061, 7154, 8596, 11753, 14122, 14308, 15043, 22411, 23506, 28244, 30086, 44822, 47012, 49427, 60172, 82271, 89644, 98854, 156877, 164542, 197708, 313754, 329084, 345989, 515453, 627508, 691978, 1030906, 1098139, 1383956, 2061812, 2196278, 3608171, 4392556, 7216342, 14432684, 25257197, 50514394, 101028788]

約数ペア:
[(1, 101028788), (2, 50514394), (4, 25257197), (7, 14432684), (14, 7216342), (23, 4392556), (28, 3608171), (46, 2196278), (49, 2061812), (73, 1383956), (92, 1098139), (98, 1030906), (146, 691978), (161, 627508), (196, 515453), (292, 345989), (307, 329084), (322, 313754), (511, 197708), (614, 164542), (644, 156877), (1022, 98854), (1127, 89644), (1228, 82271), (1679, 60172), (2044, 49427), (2149, 47012), (2254, 44822), (3358, 30086), (3577, 28244), (4298, 23506), (4508, 22411), (6716, 15043), (7061, 14308), (7154, 14122), (8596, 11753)]

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