About the Number

31001940

31001939 ← → 31001941

2進数表記:1110110010000110101010100

漢数字表記:三千百万千九百四十

素因数分解:

2 2 × 3 5 × 5 1 × 6379 1

素因数の和:6403
約数の個数: 72
約数和(自身を含む): 97537440
約数和(自身を除く): 66535500

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, 6379, 12758, 19137, 25516, 31895, 38274, 57411, 63790, 76548, 95685, 114822, 127580, 172233, 191370, 229644, 287055, 344466, 382740, 516699, 574110, 688932, 861165, 1033398, 1148220, 1550097, 1722330, 2066796, 2583495, 3100194, 3444660, 5166990, 6200388, 7750485, 10333980, 15500970, 31001940]

約数ペア:
[(1, 31001940), (2, 15500970), (3, 10333980), (4, 7750485), (5, 6200388), (6, 5166990), (9, 3444660), (10, 3100194), (12, 2583495), (15, 2066796), (18, 1722330), (20, 1550097), (27, 1148220), (30, 1033398), (36, 861165), (45, 688932), (54, 574110), (60, 516699), (81, 382740), (90, 344466), (108, 287055), (135, 229644), (162, 191370), (180, 172233), (243, 127580), (270, 114822), (324, 95685), (405, 76548), (486, 63790), (540, 57411), (810, 38274), (972, 31895), (1215, 25516), (1620, 19137), (2430, 12758), (4860, 6379)]

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