About the Number

238423780

238423779 ← → 238423781

2進数表記:1110001101100000111011100100

漢数字表記:二億三千八百四十二万三千七百八十

素因数分解:

2 2 × 5 1 × 7 1 × 19 1 × 89633 1

素因数の和:89668
約数の個数: 48
約数和(自身を含む): 602340480
約数和(自身を除く): 363916700

約数列:
[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 89633, 179266, 358532, 448165, 627431, 896330, 1254862, 1703027, 1792660, 2509724, 3137155, 3406054, 6274310, 6812108, 8515135, 11921189, 12548620, 17030270, 23842378, 34060540, 47684756, 59605945, 119211890, 238423780]

約数ペア:
[(1, 238423780), (2, 119211890), (4, 59605945), (5, 47684756), (7, 34060540), (10, 23842378), (14, 17030270), (19, 12548620), (20, 11921189), (28, 8515135), (35, 6812108), (38, 6274310), (70, 3406054), (76, 3137155), (95, 2509724), (133, 1792660), (140, 1703027), (190, 1254862), (266, 896330), (380, 627431), (532, 448165), (665, 358532), (1330, 179266), (2660, 89633)]

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