About the Number

4720990

4720989 ← → 4720991

2進数表記:10010000000100101011110

漢数字表記:四百七十二万九百九十

素因数分解:

2 1 × 5 1 × 31 1 × 97 1 × 157 1

素因数の和:292
約数の個数: 32
約数和(自身を含む): 8918784
約数和(自身を除く): 4197794

約数列:
[1, 2, 5, 10, 31, 62, 97, 155, 157, 194, 310, 314, 485, 785, 970, 1570, 3007, 4867, 6014, 9734, 15035, 15229, 24335, 30070, 30458, 48670, 76145, 152290, 472099, 944198, 2360495, 4720990]

約数ペア:
[(1, 4720990), (2, 2360495), (5, 944198), (10, 472099), (31, 152290), (62, 76145), (97, 48670), (155, 30458), (157, 30070), (194, 24335), (310, 15229), (314, 15035), (485, 9734), (785, 6014), (970, 4867), (1570, 3007)]

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