About the Number

121490256

121490255 ← → 121490257

2進数表記:111001111011100101101010000

漢数字表記:一億二千百四十九万二百五十六

素因数分解:

2 4 × 3 1 × 19 1 × 133213 1

素因数の和:133243
約数の個数: 40
約数和(自身を含む): 330370720
約数和(自身を除く): 208880464

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 133213, 266426, 399639, 532852, 799278, 1065704, 1598556, 2131408, 2531047, 3197112, 5062094, 6394224, 7593141, 10124188, 15186282, 20248376, 30372564, 40496752, 60745128, 121490256]

約数ペア:
[(1, 121490256), (2, 60745128), (3, 40496752), (4, 30372564), (6, 20248376), (8, 15186282), (12, 10124188), (16, 7593141), (19, 6394224), (24, 5062094), (38, 3197112), (48, 2531047), (57, 2131408), (76, 1598556), (114, 1065704), (152, 799278), (228, 532852), (304, 399639), (456, 266426), (912, 133213)]

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