About the Number

200571390

200571389 ← → 200571391

2進数表記:1011111101000111100111111110

漢数字表記:二億五十七万千三百九十

素因数分解:

2 1 × 3 4 × 5 1 × 193 1 × 1283 1

素因数の和:1495
約数の個数: 80
約数和(自身を含む): 542531088
約数和(自身を除く): 341959698

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 193, 270, 386, 405, 579, 810, 965, 1158, 1283, 1737, 1930, 2566, 2895, 3474, 3849, 5211, 5790, 6415, 7698, 8685, 10422, 11547, 12830, 15633, 17370, 19245, 23094, 26055, 31266, 34641, 38490, 52110, 57735, 69282, 78165, 103923, 115470, 156330, 173205, 207846, 247619, 346410, 495238, 519615, 742857, 1039230, 1238095, 1485714, 2228571, 2476190, 3714285, 4457142, 6685713, 7428570, 11142855, 13371426, 20057139, 22285710, 33428565, 40114278, 66857130, 100285695, 200571390]

約数ペア:
[(1, 200571390), (2, 100285695), (3, 66857130), (5, 40114278), (6, 33428565), (9, 22285710), (10, 20057139), (15, 13371426), (18, 11142855), (27, 7428570), (30, 6685713), (45, 4457142), (54, 3714285), (81, 2476190), (90, 2228571), (135, 1485714), (162, 1238095), (193, 1039230), (270, 742857), (386, 519615), (405, 495238), (579, 346410), (810, 247619), (965, 207846), (1158, 173205), (1283, 156330), (1737, 115470), (1930, 103923), (2566, 78165), (2895, 69282), (3474, 57735), (3849, 52110), (5211, 38490), (5790, 34641), (6415, 31266), (7698, 26055), (8685, 23094), (10422, 19245), (11547, 17370), (12830, 15633)]

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