About the Number

4972990

4972989 ← → 4972991

2進数表記:10010111110000110111110

漢数字表記:四百九十七万二千九百九十

素因数分解:

2 1 × 5 1 × 11 1 × 53 1 × 853 1

素因数の和:924
約数の個数: 32
約数和(自身を含む): 9961056
約数和(自身を除く): 4988066

約数列:
[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 853, 1166, 1706, 2915, 4265, 5830, 8530, 9383, 18766, 45209, 46915, 90418, 93830, 226045, 452090, 497299, 994598, 2486495, 4972990]

約数ペア:
[(1, 4972990), (2, 2486495), (5, 994598), (10, 497299), (11, 452090), (22, 226045), (53, 93830), (55, 90418), (106, 46915), (110, 45209), (265, 18766), (530, 9383), (583, 8530), (853, 5830), (1166, 4265), (1706, 2915)]

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