About the Number

138959380

138959379 ← → 138959381

2進数表記:1000010010000101101000010100

漢数字表記:一億三千八百九十五万九千三百八十

素因数分解:

2 2 × 5 1 × 7 1 × 239 1 × 4153 1

素因数の和:4408
約数の個数: 48
約数和(自身を含む): 334978560
約数和(自身を除く): 196019180

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 3346, 4153, 4780, 6692, 8306, 8365, 16612, 16730, 20765, 29071, 33460, 41530, 58142, 83060, 116284, 145355, 290710, 581420, 992567, 1985134, 3970268, 4962835, 6947969, 9925670, 13895938, 19851340, 27791876, 34739845, 69479690, 138959380]

約数ペア:
[(1, 138959380), (2, 69479690), (4, 34739845), (5, 27791876), (7, 19851340), (10, 13895938), (14, 9925670), (20, 6947969), (28, 4962835), (35, 3970268), (70, 1985134), (140, 992567), (239, 581420), (478, 290710), (956, 145355), (1195, 116284), (1673, 83060), (2390, 58142), (3346, 41530), (4153, 33460), (4780, 29071), (6692, 20765), (8306, 16730), (8365, 16612)]

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