About the Number

138220980

138220979 ← → 138220981

2進数表記:1000001111010001010110110100

漢数字表記:一億三千八百二十二万九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 1193 1 × 1931 1

素因数の和:3136
約数の個数: 48
約数和(自身を含む): 387543744
約数和(自身を除く): 249322764

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1193, 1931, 2386, 3579, 3862, 4772, 5793, 5965, 7158, 7724, 9655, 11586, 11930, 14316, 17895, 19310, 23172, 23860, 28965, 35790, 38620, 57930, 71580, 115860, 2303683, 4607366, 6911049, 9214732, 11518415, 13822098, 23036830, 27644196, 34555245, 46073660, 69110490, 138220980]

約数ペア:
[(1, 138220980), (2, 69110490), (3, 46073660), (4, 34555245), (5, 27644196), (6, 23036830), (10, 13822098), (12, 11518415), (15, 9214732), (20, 6911049), (30, 4607366), (60, 2303683), (1193, 115860), (1931, 71580), (2386, 57930), (3579, 38620), (3862, 35790), (4772, 28965), (5793, 23860), (5965, 23172), (7158, 19310), (7724, 17895), (9655, 14316), (11586, 11930)]

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