About the Number

71286990

71286989 ← → 71286991

2進数表記:100001111111100000011001110

漢数字表記:七千百二十八万六千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 599 1 × 3967 1

素因数の和:4576
約数の個数: 32
約数和(自身を含む): 171417600
約数和(自身を除く): 100130610

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 599, 1198, 1797, 2995, 3594, 3967, 5990, 7934, 8985, 11901, 17970, 19835, 23802, 39670, 59505, 119010, 2376233, 4752466, 7128699, 11881165, 14257398, 23762330, 35643495, 71286990]

約数ペア:
[(1, 71286990), (2, 35643495), (3, 23762330), (5, 14257398), (6, 11881165), (10, 7128699), (15, 4752466), (30, 2376233), (599, 119010), (1198, 59505), (1797, 39670), (2995, 23802), (3594, 19835), (3967, 17970), (5990, 11901), (7934, 8985)]

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