About the Number

120989869

120989868 ← → 120989870

2進数表記:111001101100010100010101101

漢数字表記:一億二千九十八万九千八百六十九

素因数分解:

7 2 × 11 1 × 13 1 × 31 1 × 557 1

素因数の和:626
約数の個数: 48
約数和(自身を含む): 170989056
約数和(自身を除く): 49999187

約数列:
[1, 7, 11, 13, 31, 49, 77, 91, 143, 217, 341, 403, 539, 557, 637, 1001, 1519, 2387, 2821, 3899, 4433, 6127, 7007, 7241, 16709, 17267, 19747, 27293, 31031, 42889, 50687, 79651, 120869, 189937, 217217, 224471, 300223, 354809, 557557, 846083, 1329559, 1571297, 2469181, 3902899, 9306913, 10999079, 17284267, 120989869]

約数ペア:
[(1, 120989869), (7, 17284267), (11, 10999079), (13, 9306913), (31, 3902899), (49, 2469181), (77, 1571297), (91, 1329559), (143, 846083), (217, 557557), (341, 354809), (403, 300223), (539, 224471), (557, 217217), (637, 189937), (1001, 120869), (1519, 79651), (2387, 50687), (2821, 42889), (3899, 31031), (4433, 27293), (6127, 19747), (7007, 17267), (7241, 16709)]

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