About the Number

120890988

120890987 ← → 120890989

2進数表記:111001101001010011001101100

漢数字表記:一億二千八十九万九百八十八

素因数分解:

2 2 × 3 3 × 37 1 × 30253 1

素因数の和:30303
約数の個数: 48
約数和(自身を含む): 321902560
約数和(自身を除く): 201011572

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 30253, 60506, 90759, 121012, 181518, 272277, 363036, 544554, 816831, 1089108, 1119361, 1633662, 2238722, 3267324, 3358083, 4477444, 6716166, 10074249, 13432332, 20148498, 30222747, 40296996, 60445494, 120890988]

約数ペア:
[(1, 120890988), (2, 60445494), (3, 40296996), (4, 30222747), (6, 20148498), (9, 13432332), (12, 10074249), (18, 6716166), (27, 4477444), (36, 3358083), (37, 3267324), (54, 2238722), (74, 1633662), (108, 1119361), (111, 1089108), (148, 816831), (222, 544554), (333, 363036), (444, 272277), (666, 181518), (999, 121012), (1332, 90759), (1998, 60506), (3996, 30253)]

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