About the Number

271912140

271912139 ← → 271912141

2進数表記:10000001101010000110011001100

漢数字表記:二億七千百九十一万二千百四十

素因数分解:

2 2 × 3 5 × 5 1 × 55949 1

素因数の和:55973
約数の個数: 72
約数和(自身を含む): 855363600
約数和(自身を除く): 583451460

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 55949, 111898, 167847, 223796, 279745, 335694, 503541, 559490, 671388, 839235, 1007082, 1118980, 1510623, 1678470, 2014164, 2517705, 3021246, 3356940, 4531869, 5035410, 6042492, 7553115, 9063738, 10070820, 13595607, 15106230, 18127476, 22659345, 27191214, 30212460, 45318690, 54382428, 67978035, 90637380, 135956070, 271912140]

約数ペア:
[(1, 271912140), (2, 135956070), (3, 90637380), (4, 67978035), (5, 54382428), (6, 45318690), (9, 30212460), (10, 27191214), (12, 22659345), (15, 18127476), (18, 15106230), (20, 13595607), (27, 10070820), (30, 9063738), (36, 7553115), (45, 6042492), (54, 5035410), (60, 4531869), (81, 3356940), (90, 3021246), (108, 2517705), (135, 2014164), (162, 1678470), (180, 1510623), (243, 1118980), (270, 1007082), (324, 839235), (405, 671388), (486, 559490), (540, 503541), (810, 335694), (972, 279745), (1215, 223796), (1620, 167847), (2430, 111898), (4860, 55949)]

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