About the Number

210002988

210002987 ← → 210002989

2進数表記:1100100001000110010000101100

漢数字表記:二億千万二千九百八十八

素因数分解:

2 2 × 3 1 × 13 1 × 1346173 1

素因数の和:1346193
約数の個数: 24
約数和(自身を含む): 527700208
約数和(自身を除く): 317697220

約数列:
[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1346173, 2692346, 4038519, 5384692, 8077038, 16154076, 17500249, 35000498, 52500747, 70000996, 105001494, 210002988]

約数ペア:
[(1, 210002988), (2, 105001494), (3, 70000996), (4, 52500747), (6, 35000498), (12, 17500249), (13, 16154076), (26, 8077038), (39, 5384692), (52, 4038519), (78, 2692346), (156, 1346173)]

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