About the Number

29728890

29728889 ← → 29728891

2進数表記:1110001011010000001111010

漢数字表記:二千九百七十二万八千八百九十

素因数分解:

2 1 × 3 3 × 5 1 × 103 1 × 1069 1

素因数の和:1188
約数の個数: 64
約数和(自身を含む): 80121600
約数和(自身を除く): 50392710

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 103, 135, 206, 270, 309, 515, 618, 927, 1030, 1069, 1545, 1854, 2138, 2781, 3090, 3207, 4635, 5345, 5562, 6414, 9270, 9621, 10690, 13905, 16035, 19242, 27810, 28863, 32070, 48105, 57726, 96210, 110107, 144315, 220214, 288630, 330321, 550535, 660642, 990963, 1101070, 1651605, 1981926, 2972889, 3303210, 4954815, 5945778, 9909630, 14864445, 29728890]

約数ペア:
[(1, 29728890), (2, 14864445), (3, 9909630), (5, 5945778), (6, 4954815), (9, 3303210), (10, 2972889), (15, 1981926), (18, 1651605), (27, 1101070), (30, 990963), (45, 660642), (54, 550535), (90, 330321), (103, 288630), (135, 220214), (206, 144315), (270, 110107), (309, 96210), (515, 57726), (618, 48105), (927, 32070), (1030, 28863), (1069, 27810), (1545, 19242), (1854, 16035), (2138, 13905), (2781, 10690), (3090, 9621), (3207, 9270), (4635, 6414), (5345, 5562)]

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