About the Number

31428210

31428209 ← → 31428211

2進数表記:1110111111000111001110010

漢数字表記:三千百四十二万八千二百十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 131 1 × 727 1

素因数の和:879
約数の個数: 64
約数和(自身を含む): 83026944
約数和(自身を除く): 51598734

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 131, 165, 262, 330, 393, 655, 727, 786, 1310, 1441, 1454, 1965, 2181, 2882, 3635, 3930, 4323, 4362, 7205, 7270, 7997, 8646, 10905, 14410, 15994, 21615, 21810, 23991, 39985, 43230, 47982, 79970, 95237, 119955, 190474, 239910, 285711, 476185, 571422, 952370, 1047607, 1428555, 2095214, 2857110, 3142821, 5238035, 6285642, 10476070, 15714105, 31428210]

約数ペア:
[(1, 31428210), (2, 15714105), (3, 10476070), (5, 6285642), (6, 5238035), (10, 3142821), (11, 2857110), (15, 2095214), (22, 1428555), (30, 1047607), (33, 952370), (55, 571422), (66, 476185), (110, 285711), (131, 239910), (165, 190474), (262, 119955), (330, 95237), (393, 79970), (655, 47982), (727, 43230), (786, 39985), (1310, 23991), (1441, 21810), (1454, 21615), (1965, 15994), (2181, 14410), (2882, 10905), (3635, 8646), (3930, 7997), (4323, 7270), (4362, 7205)]

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