About the Number

30993970

30993969 ← → 30993971

2進数表記:1110110001110111000110010

漢数字表記:三千九十九万三千九百七十

素因数分解:

2 1 × 5 1 × 7 2 × 43 1 × 1471 1

素因数の和:1535
約数の個数: 48
約数和(自身を含む): 66451968
約数和(自身を除く): 35457998

約数列:
[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 1471, 1505, 2107, 2942, 3010, 4214, 7355, 10297, 10535, 14710, 20594, 21070, 51485, 63253, 72079, 102970, 126506, 144158, 316265, 360395, 442771, 632530, 720790, 885542, 2213855, 3099397, 4427710, 6198794, 15496985, 30993970]

約数ペア:
[(1, 30993970), (2, 15496985), (5, 6198794), (7, 4427710), (10, 3099397), (14, 2213855), (35, 885542), (43, 720790), (49, 632530), (70, 442771), (86, 360395), (98, 316265), (215, 144158), (245, 126506), (301, 102970), (430, 72079), (490, 63253), (602, 51485), (1471, 21070), (1505, 20594), (2107, 14710), (2942, 10535), (3010, 10297), (4214, 7355)]

このpageの処理時間: 0.0045795440673828125 seconds