About the Number

1249690140

1249690139 ← → 1249690141

2進数表記:1001010011111001100001000011100

漢数字表記:十二億四千九百六十九万百四十

素因数分解:

2 2 × 3 3 × 5 1 × 2314241 1

素因数の和:2314259
約数の個数: 48
約数和(自身を含む): 3887926560
約数和(自身を除く): 2638236420

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 2314241, 4628482, 6942723, 9256964, 11571205, 13885446, 20828169, 23142410, 27770892, 34713615, 41656338, 46284820, 62484507, 69427230, 83312676, 104140845, 124969014, 138854460, 208281690, 249938028, 312422535, 416563380, 624845070, 1249690140]

約数ペア:
[(1, 1249690140), (2, 624845070), (3, 416563380), (4, 312422535), (5, 249938028), (6, 208281690), (9, 138854460), (10, 124969014), (12, 104140845), (15, 83312676), (18, 69427230), (20, 62484507), (27, 46284820), (30, 41656338), (36, 34713615), (45, 27770892), (54, 23142410), (60, 20828169), (90, 13885446), (108, 11571205), (135, 9256964), (180, 6942723), (270, 4628482), (540, 2314241)]

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