About the Number

121380688

121380687 ← → 121380689

2進数表記:111001111000001111101010000

漢数字表記:一億二千百三十八万六百八十八

素因数分解:

2 4 × 11 1 × 13 1 × 53051 1

素因数の和:53083
約数の個数: 40
約数和(自身を含む): 276294816
約数和(自身を除く): 154914128

約数列:
[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 53051, 106102, 212204, 424408, 583561, 689663, 848816, 1167122, 1379326, 2334244, 2758652, 4668488, 5517304, 7586293, 9336976, 11034608, 15172586, 30345172, 60690344, 121380688]

約数ペア:
[(1, 121380688), (2, 60690344), (4, 30345172), (8, 15172586), (11, 11034608), (13, 9336976), (16, 7586293), (22, 5517304), (26, 4668488), (44, 2758652), (52, 2334244), (88, 1379326), (104, 1167122), (143, 848816), (176, 689663), (208, 583561), (286, 424408), (572, 212204), (1144, 106102), (2288, 53051)]

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