About the Number

30013880

30013879 ← → 30013881

2進数表記:1110010011111100110111000

漢数字表記:三千一万三千八百八十

素因数分解:

2 3 × 5 1 × 13 1 × 57719 1

素因数の和:57743
約数の個数: 32
約数和(自身を含む): 72727200
約数和(自身を除く): 42713320

約数列:
[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 57719, 115438, 230876, 288595, 461752, 577190, 750347, 1154380, 1500694, 2308760, 3001388, 3751735, 6002776, 7503470, 15006940, 30013880]

約数ペア:
[(1, 30013880), (2, 15006940), (4, 7503470), (5, 6002776), (8, 3751735), (10, 3001388), (13, 2308760), (20, 1500694), (26, 1154380), (40, 750347), (52, 577190), (65, 461752), (104, 288595), (130, 230876), (260, 115438), (520, 57719)]

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