About the Number

120428048

120428047 ← → 120428049

2進数表記:111001011011001011000010000

漢数字表記:一億二千四十二万八千四十八

素因数分解:

2 4 × 13 2 × 44537 1

素因数の和:44571
約数の個数: 30
約数和(自身を含む): 252664074
約数和(自身を除く): 132236026

約数列:
[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 44537, 89074, 178148, 356296, 578981, 712592, 1157962, 2315924, 4631848, 7526753, 9263696, 15053506, 30107012, 60214024, 120428048]

約数ペア:
[(1, 120428048), (2, 60214024), (4, 30107012), (8, 15053506), (13, 9263696), (16, 7526753), (26, 4631848), (52, 2315924), (104, 1157962), (169, 712592), (208, 578981), (338, 356296), (676, 178148), (1352, 89074), (2704, 44537)]

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