About the Number

2988930

2988929 ← → 2988931

2進数表記:1011011001101110000010

漢数字表記:二百九十八万八千九百三十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 43 1 × 331 1

素因数の和:391
約数の個数: 64
約数和(自身を含む): 8414208
約数和(自身を除く): 5425278

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 331, 430, 602, 645, 662, 903, 993, 1290, 1505, 1655, 1806, 1986, 2317, 3010, 3310, 4515, 4634, 4965, 6951, 9030, 9930, 11585, 13902, 14233, 23170, 28466, 34755, 42699, 69510, 71165, 85398, 99631, 142330, 199262, 213495, 298893, 426990, 498155, 597786, 996310, 1494465, 2988930]

約数ペア:
[(1, 2988930), (2, 1494465), (3, 996310), (5, 597786), (6, 498155), (7, 426990), (10, 298893), (14, 213495), (15, 199262), (21, 142330), (30, 99631), (35, 85398), (42, 71165), (43, 69510), (70, 42699), (86, 34755), (105, 28466), (129, 23170), (210, 14233), (215, 13902), (258, 11585), (301, 9930), (331, 9030), (430, 6951), (602, 4965), (645, 4634), (662, 4515), (903, 3310), (993, 3010), (1290, 2317), (1505, 1986), (1655, 1806)]

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