About the Number

138998730

138998729 ← → 138998731

2進数表記:1000010010001111001111001010

漢数字表記:一億三千八百九十九万八千七百三十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 31 1 × 11497 1

素因数の和:11551
約数の個数: 64
約数和(自身を含む): 370879488
約数和(自身を除く): 231880758

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 11497, 12090, 22994, 34491, 57485, 68982, 114970, 149461, 172455, 298922, 344910, 356407, 448383, 712814, 747305, 896766, 1069221, 1494610, 1782035, 2138442, 2241915, 3564070, 4483830, 4633291, 5346105, 9266582, 10692210, 13899873, 23166455, 27799746, 46332910, 69499365, 138998730]

約数ペア:
[(1, 138998730), (2, 69499365), (3, 46332910), (5, 27799746), (6, 23166455), (10, 13899873), (13, 10692210), (15, 9266582), (26, 5346105), (30, 4633291), (31, 4483830), (39, 3564070), (62, 2241915), (65, 2138442), (78, 1782035), (93, 1494610), (130, 1069221), (155, 896766), (186, 747305), (195, 712814), (310, 448383), (390, 356407), (403, 344910), (465, 298922), (806, 172455), (930, 149461), (1209, 114970), (2015, 68982), (2418, 57485), (4030, 34491), (6045, 22994), (11497, 12090)]

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