About the Number

34721990

34721989 ← → 34721991

2進数表記:10000100011101000011000110

漢数字表記:三千四百七十二万千九百九十

素因数分解:

2 1 × 5 1 × 17 1 × 29 1 × 7043 1

素因数の和:7096
約数の個数: 32
約数和(自身を含む): 68467680
約数和(自身を除く): 33745690

約数列:
[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 7043, 14086, 35215, 70430, 119731, 204247, 239462, 408494, 598655, 1021235, 1197310, 2042470, 3472199, 6944398, 17360995, 34721990]

約数ペア:
[(1, 34721990), (2, 17360995), (5, 6944398), (10, 3472199), (17, 2042470), (29, 1197310), (34, 1021235), (58, 598655), (85, 408494), (145, 239462), (170, 204247), (290, 119731), (493, 70430), (986, 35215), (2465, 14086), (4930, 7043)]

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