About the Number

129901140

129901139 ← → 129901141

2進数表記:111101111100010001001010100

漢数字表記:一億二千九百九十万千百四十

素因数分解:

2 2 × 3 2 × 5 1 × 271 1 × 2663 1

素因数の和:2949
約数の個数: 72
約数和(自身を含む): 395635968
約数和(自身を除く): 265734828

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1626, 2439, 2663, 2710, 3252, 4065, 4878, 5326, 5420, 7989, 8130, 9756, 10652, 12195, 13315, 15978, 16260, 23967, 24390, 26630, 31956, 39945, 47934, 48780, 53260, 79890, 95868, 119835, 159780, 239670, 479340, 721673, 1443346, 2165019, 2886692, 3608365, 4330038, 6495057, 7216730, 8660076, 10825095, 12990114, 14433460, 21650190, 25980228, 32475285, 43300380, 64950570, 129901140]

約数ペア:
[(1, 129901140), (2, 64950570), (3, 43300380), (4, 32475285), (5, 25980228), (6, 21650190), (9, 14433460), (10, 12990114), (12, 10825095), (15, 8660076), (18, 7216730), (20, 6495057), (30, 4330038), (36, 3608365), (45, 2886692), (60, 2165019), (90, 1443346), (180, 721673), (271, 479340), (542, 239670), (813, 159780), (1084, 119835), (1355, 95868), (1626, 79890), (2439, 53260), (2663, 48780), (2710, 47934), (3252, 39945), (4065, 31956), (4878, 26630), (5326, 24390), (5420, 23967), (7989, 16260), (8130, 15978), (9756, 13315), (10652, 12195)]

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