About the Number

30002980

30002979 ← → 30002981

2進数表記:1110010011100111100100100

漢数字表記:三千万二千九百八十

素因数分解:

2 2 × 5 1 × 7 1 × 41 1 × 5227 1

素因数の和:5284
約数の個数: 48
約数和(自身を含む): 73777536
約数和(自身を除く): 43774556

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5227, 5740, 10454, 20908, 26135, 36589, 52270, 73178, 104540, 146356, 182945, 214307, 365890, 428614, 731780, 857228, 1071535, 1500149, 2143070, 3000298, 4286140, 6000596, 7500745, 15001490, 30002980]

約数ペア:
[(1, 30002980), (2, 15001490), (4, 7500745), (5, 6000596), (7, 4286140), (10, 3000298), (14, 2143070), (20, 1500149), (28, 1071535), (35, 857228), (41, 731780), (70, 428614), (82, 365890), (140, 214307), (164, 182945), (205, 146356), (287, 104540), (410, 73178), (574, 52270), (820, 36589), (1148, 26135), (1435, 20908), (2870, 10454), (5227, 5740)]

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