About the Number

210002680

210002679 ← → 210002681

2進数表記:1100100001000110001011111000

漢数字表記:二億千万二千六百八十

素因数分解:

2 3 × 5 1 × 31 1 × 163 1 × 1039 1

素因数の和:1244
約数の個数: 64
約数和(自身を含む): 491212800
約数和(自身を除く): 281210120

約数列:
[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 163, 248, 310, 326, 620, 652, 815, 1039, 1240, 1304, 1630, 2078, 3260, 4156, 5053, 5195, 6520, 8312, 10106, 10390, 20212, 20780, 25265, 32209, 40424, 41560, 50530, 64418, 101060, 128836, 161045, 169357, 202120, 257672, 322090, 338714, 644180, 677428, 846785, 1288360, 1354856, 1693570, 3387140, 5250067, 6774280, 10500134, 21000268, 26250335, 42000536, 52500670, 105001340, 210002680]

約数ペア:
[(1, 210002680), (2, 105001340), (4, 52500670), (5, 42000536), (8, 26250335), (10, 21000268), (20, 10500134), (31, 6774280), (40, 5250067), (62, 3387140), (124, 1693570), (155, 1354856), (163, 1288360), (248, 846785), (310, 677428), (326, 644180), (620, 338714), (652, 322090), (815, 257672), (1039, 202120), (1240, 169357), (1304, 161045), (1630, 128836), (2078, 101060), (3260, 64418), (4156, 50530), (5053, 41560), (5195, 40424), (6520, 32209), (8312, 25265), (10106, 20780), (10390, 20212)]

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