About the Number

6840380

6840379 ← → 6840381

2進数表記:11010000110000000111100

漢数字表記:六百八十四万三百八十

素因数分解:

2 2 × 5 1 × 19 1 × 47 1 × 383 1

素因数の和:458
約数の個数: 48
約数和(自身を含む): 15482880
約数和(自身を除く): 8642500

約数列:
[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 383, 470, 766, 893, 940, 1532, 1786, 1915, 3572, 3830, 4465, 7277, 7660, 8930, 14554, 17860, 18001, 29108, 36002, 36385, 72004, 72770, 90005, 145540, 180010, 342019, 360020, 684038, 1368076, 1710095, 3420190, 6840380]

約数ペア:
[(1, 6840380), (2, 3420190), (4, 1710095), (5, 1368076), (10, 684038), (19, 360020), (20, 342019), (38, 180010), (47, 145540), (76, 90005), (94, 72770), (95, 72004), (188, 36385), (190, 36002), (235, 29108), (380, 18001), (383, 17860), (470, 14554), (766, 8930), (893, 7660), (940, 7277), (1532, 4465), (1786, 3830), (1915, 3572)]

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