About the Number

850409780

850409779 ← → 850409781

2進数表記:110010101100000011100100110100

漢数字表記:八億五千四十万九千七百八十

素因数分解:

2 2 × 5 1 × 11 2 × 127 1 × 2767 1

素因数の和:2925
約数の個数: 72
約数和(自身を含む): 1979142144
約数和(自身を除く): 1128732364

約数列:
[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 127, 220, 242, 254, 484, 508, 605, 635, 1210, 1270, 1397, 2420, 2540, 2767, 2794, 5534, 5588, 6985, 11068, 13835, 13970, 15367, 27670, 27940, 30437, 30734, 55340, 60874, 61468, 76835, 121748, 152185, 153670, 304370, 307340, 334807, 351409, 608740, 669614, 702818, 1339228, 1405636, 1674035, 1757045, 3348070, 3514090, 3865499, 6696140, 7028180, 7730998, 15461996, 19327495, 38654990, 42520489, 77309980, 85040978, 170081956, 212602445, 425204890, 850409780]

約数ペア:
[(1, 850409780), (2, 425204890), (4, 212602445), (5, 170081956), (10, 85040978), (11, 77309980), (20, 42520489), (22, 38654990), (44, 19327495), (55, 15461996), (110, 7730998), (121, 7028180), (127, 6696140), (220, 3865499), (242, 3514090), (254, 3348070), (484, 1757045), (508, 1674035), (605, 1405636), (635, 1339228), (1210, 702818), (1270, 669614), (1397, 608740), (2420, 351409), (2540, 334807), (2767, 307340), (2794, 304370), (5534, 153670), (5588, 152185), (6985, 121748), (11068, 76835), (13835, 61468), (13970, 60874), (15367, 55340), (27670, 30734), (27940, 30437)]

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