About the Number

128013810

128013809 ← → 128013811

2進数表記:111101000010101010111110010

漢数字表記:一億二千八百一万三千八百十

素因数分解:

2 1 × 3 1 × 5 1 × 97 1 × 43991 1

素因数の和:44098
約数の個数: 32
約数和(自身を含む): 310407552
約数和(自身を除く): 182393742

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 43991, 87982, 131973, 219955, 263946, 439910, 659865, 1319730, 4267127, 8534254, 12801381, 21335635, 25602762, 42671270, 64006905, 128013810]

約数ペア:
[(1, 128013810), (2, 64006905), (3, 42671270), (5, 25602762), (6, 21335635), (10, 12801381), (15, 8534254), (30, 4267127), (97, 1319730), (194, 659865), (291, 439910), (485, 263946), (582, 219955), (970, 131973), (1455, 87982), (2910, 43991)]

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