About the Number

103400985

103400984 ← → 103400986

2進数表記:110001010011100011000011001

漢数字表記:一億三百四十万九百八十五

素因数分解:

3 1 × 5 1 × 23 2 × 83 1 × 157 1

素因数の和:294
約数の個数: 48
約数和(自身を含む): 176145984
約数和(自身を除く): 72744999

約数列:
[1, 3, 5, 15, 23, 69, 83, 115, 157, 249, 345, 415, 471, 529, 785, 1245, 1587, 1909, 2355, 2645, 3611, 5727, 7935, 9545, 10833, 13031, 18055, 28635, 39093, 43907, 54165, 65155, 83053, 131721, 195465, 219535, 249159, 299713, 415265, 658605, 899139, 1245795, 1498565, 4495695, 6893399, 20680197, 34466995, 103400985]

約数ペア:
[(1, 103400985), (3, 34466995), (5, 20680197), (15, 6893399), (23, 4495695), (69, 1498565), (83, 1245795), (115, 899139), (157, 658605), (249, 415265), (345, 299713), (415, 249159), (471, 219535), (529, 195465), (785, 131721), (1245, 83053), (1587, 65155), (1909, 54165), (2355, 43907), (2645, 39093), (3611, 28635), (5727, 18055), (7935, 13031), (9545, 10833)]

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