About the Number

28401090

28401089 ← → 28401091

2進数表記:1101100010101110111000010

漢数字表記:二千八百四十万千九十

素因数分解:

2 1 × 3 1 × 5 1 × 23 1 × 41161 1

素因数の和:41194
約数の個数: 32
約数和(自身を含む): 71127936
約数和(自身を除く): 42726846

約数列:
[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 41161, 82322, 123483, 205805, 246966, 411610, 617415, 946703, 1234830, 1893406, 2840109, 4733515, 5680218, 9467030, 14200545, 28401090]

約数ペア:
[(1, 28401090), (2, 14200545), (3, 9467030), (5, 5680218), (6, 4733515), (10, 2840109), (15, 1893406), (23, 1234830), (30, 946703), (46, 617415), (69, 411610), (115, 246966), (138, 205805), (230, 123483), (345, 82322), (690, 41161)]

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