About the Number

123489790

123489789 ← → 123489791

2進数表記:111010111000100110111111110

漢数字表記:一億二千三百四十八万九千七百九十

素因数分解:

2 1 × 5 1 × 103 1 × 113 1 × 1061 1

素因数の和:1284
約数の個数: 32
約数和(自身を含む): 226639296
約数和(自身を除く): 103149506

約数列:
[1, 2, 5, 10, 103, 113, 206, 226, 515, 565, 1030, 1061, 1130, 2122, 5305, 10610, 11639, 23278, 58195, 109283, 116390, 119893, 218566, 239786, 546415, 599465, 1092830, 1198930, 12348979, 24697958, 61744895, 123489790]

約数ペア:
[(1, 123489790), (2, 61744895), (5, 24697958), (10, 12348979), (103, 1198930), (113, 1092830), (206, 599465), (226, 546415), (515, 239786), (565, 218566), (1030, 119893), (1061, 116390), (1130, 109283), (2122, 58195), (5305, 23278), (10610, 11639)]

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