About the Number

812852730

812852729 ← → 812852731

2進数表記:110000011100110010010111111010

漢数字表記:八億千二百八十五万二千七百三十

素因数分解:

2 1 × 3 2 × 5 1 × 71 1 × 127207 1

素因数の和:127291
約数の個数: 48
約数和(自身を含む): 2143200384
約数和(自身を除く): 1330347654

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 127207, 254414, 381621, 636035, 763242, 1144863, 1272070, 1908105, 2289726, 3816210, 5724315, 9031697, 11448630, 18063394, 27095091, 45158485, 54190182, 81285273, 90316970, 135475455, 162570546, 270950910, 406426365, 812852730]

約数ペア:
[(1, 812852730), (2, 406426365), (3, 270950910), (5, 162570546), (6, 135475455), (9, 90316970), (10, 81285273), (15, 54190182), (18, 45158485), (30, 27095091), (45, 18063394), (71, 11448630), (90, 9031697), (142, 5724315), (213, 3816210), (355, 2289726), (426, 1908105), (639, 1272070), (710, 1144863), (1065, 763242), (1278, 636035), (2130, 381621), (3195, 254414), (6390, 127207)]

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