About the Number

139728840

139728839 ← → 139728841

2進数表記:1000010101000001011111001000

漢数字表記:一億三千九百七十二万八千八百四十

素因数分解:

2 3 × 3 1 × 5 1 × 83 1 × 14029 1

素因数の和:14126
約数の個数: 64
約数和(自身を含む): 424267200
約数和(自身を除く): 284538360

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2490, 3320, 4980, 9960, 14029, 28058, 42087, 56116, 70145, 84174, 112232, 140290, 168348, 210435, 280580, 336696, 420870, 561160, 841740, 1164407, 1683480, 2328814, 3493221, 4657628, 5822035, 6986442, 9315256, 11644070, 13972884, 17466105, 23288140, 27945768, 34932210, 46576280, 69864420, 139728840]

約数ペア:
[(1, 139728840), (2, 69864420), (3, 46576280), (4, 34932210), (5, 27945768), (6, 23288140), (8, 17466105), (10, 13972884), (12, 11644070), (15, 9315256), (20, 6986442), (24, 5822035), (30, 4657628), (40, 3493221), (60, 2328814), (83, 1683480), (120, 1164407), (166, 841740), (249, 561160), (332, 420870), (415, 336696), (498, 280580), (664, 210435), (830, 168348), (996, 140290), (1245, 112232), (1660, 84174), (1992, 70145), (2490, 56116), (3320, 42087), (4980, 28058), (9960, 14029)]

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