About the Number

71985420

71985419 ← → 71985421

2進数表記:100010010100110100100001100

漢数字表記:七千百九十八万五千四百二十

素因数分解:

2 2 × 3 2 × 5 1 × 13 1 × 30763 1

素因数の和:30791
約数の個数: 72
約数和(自身を含む): 235160016
約数和(自身を除く): 163174596

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 30763, 61526, 92289, 123052, 153815, 184578, 276867, 307630, 369156, 399919, 461445, 553734, 615260, 799838, 922890, 1107468, 1199757, 1384335, 1599676, 1845780, 1999595, 2399514, 2768670, 3599271, 3999190, 4799028, 5537340, 5998785, 7198542, 7998380, 11997570, 14397084, 17996355, 23995140, 35992710, 71985420]

約数ペア:
[(1, 71985420), (2, 35992710), (3, 23995140), (4, 17996355), (5, 14397084), (6, 11997570), (9, 7998380), (10, 7198542), (12, 5998785), (13, 5537340), (15, 4799028), (18, 3999190), (20, 3599271), (26, 2768670), (30, 2399514), (36, 1999595), (39, 1845780), (45, 1599676), (52, 1384335), (60, 1199757), (65, 1107468), (78, 922890), (90, 799838), (117, 615260), (130, 553734), (156, 461445), (180, 399919), (195, 369156), (234, 307630), (260, 276867), (390, 184578), (468, 153815), (585, 123052), (780, 92289), (1170, 61526), (2340, 30763)]

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