About the Number

129141880

129141879 ← → 129141881

2進数表記:111101100101000110001111000

漢数字表記:一億二千九百十四万千八百八十

素因数分解:

2 3 × 5 1 × 7 1 × 61 1 × 7561 1

素因数の和:7640
約数の個数: 64
約数和(自身を含む): 337567680
約数和(自身を除く): 208425800

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 7561, 8540, 15122, 17080, 30244, 37805, 52927, 60488, 75610, 105854, 151220, 211708, 264635, 302440, 423416, 461221, 529270, 922442, 1058540, 1844884, 2117080, 2306105, 3228547, 3689768, 4612210, 6457094, 9224420, 12914188, 16142735, 18448840, 25828376, 32285470, 64570940, 129141880]

約数ペア:
[(1, 129141880), (2, 64570940), (4, 32285470), (5, 25828376), (7, 18448840), (8, 16142735), (10, 12914188), (14, 9224420), (20, 6457094), (28, 4612210), (35, 3689768), (40, 3228547), (56, 2306105), (61, 2117080), (70, 1844884), (122, 1058540), (140, 922442), (244, 529270), (280, 461221), (305, 423416), (427, 302440), (488, 264635), (610, 211708), (854, 151220), (1220, 105854), (1708, 75610), (2135, 60488), (2440, 52927), (3416, 37805), (4270, 30244), (7561, 17080), (8540, 15122)]

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