About the Number

121811808

121811807 ← → 121811809

2進数表記:111010000101011001101100000

漢数字表記:一億二千百八十一万千八百八

素因数分解:

2 5 × 3 1 × 53 1 × 89 1 × 269 1

素因数の和:424
約数の個数: 96
約数和(自身を含む): 330674400
約数和(自身を除く): 208862592

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 89, 96, 106, 159, 178, 212, 267, 269, 318, 356, 424, 534, 538, 636, 712, 807, 848, 1068, 1076, 1272, 1424, 1614, 1696, 2136, 2152, 2544, 2848, 3228, 4272, 4304, 4717, 5088, 6456, 8544, 8608, 9434, 12912, 14151, 14257, 18868, 23941, 25824, 28302, 28514, 37736, 42771, 47882, 56604, 57028, 71823, 75472, 85542, 95764, 113208, 114056, 143646, 150944, 171084, 191528, 226416, 228112, 287292, 342168, 383056, 452832, 456224, 574584, 684336, 766112, 1149168, 1268873, 1368672, 2298336, 2537746, 3806619, 5075492, 7613238, 10150984, 15226476, 20301968, 30452952, 40603936, 60905904, 121811808]

約数ペア:
[(1, 121811808), (2, 60905904), (3, 40603936), (4, 30452952), (6, 20301968), (8, 15226476), (12, 10150984), (16, 7613238), (24, 5075492), (32, 3806619), (48, 2537746), (53, 2298336), (89, 1368672), (96, 1268873), (106, 1149168), (159, 766112), (178, 684336), (212, 574584), (267, 456224), (269, 452832), (318, 383056), (356, 342168), (424, 287292), (534, 228112), (538, 226416), (636, 191528), (712, 171084), (807, 150944), (848, 143646), (1068, 114056), (1076, 113208), (1272, 95764), (1424, 85542), (1614, 75472), (1696, 71823), (2136, 57028), (2152, 56604), (2544, 47882), (2848, 42771), (3228, 37736), (4272, 28514), (4304, 28302), (4717, 25824), (5088, 23941), (6456, 18868), (8544, 14257), (8608, 14151), (9434, 12912)]

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